tag:blogger.com,1999:blog-4281612879956869032024-03-13T09:47:56.896+01:00Raspberry Pi R2D2Building a 3D printed astromechMascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-428161287995686903.post-55779451373782875942019-09-29T11:19:00.002+02:002019-12-09T11:54:03.183+01:00Episode II: a new droid<div style="text-align: justify;">
I couldn't resist to write such a title, sorry! </div>
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The sanding process of my R2 unit is a really long task, so I wished to find something else to make while not working on that project.</div>
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I thought to try to design a droid from the Star Wars universe, but it should have been something "new", something that no one had already tried to make by 3D printing. My choiche was a TT-8L doorkeeper from episode VI.</div>
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The droid design is almost complete and I already started to print and assemble it.</div>
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For this first post on this new droid I will start with the eye description. This is the only non printed part as it would have been too difficult to get a really good part with this technique.</div>
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After a few days of research I found a quite nice solution: a big Xmas ball filled with acrylic diamonds!</div>
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This is the ball:</div>
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It's a big ball, 14cm diameter and you can use just half of it as it's split into two halves already. It's almost perfect for my project.</div>
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For the filling I chose acrylic diamonds that are usually put on wedding tables as a decoration. Of course you need a lot of them...</div>
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These diamonds are the biggest that I found, about 2cm and they make a nice effect inside the ball:<br />
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Last step was to design the "iris" of the droid, using the ball size to set the inner diameter.<br />
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The result is quite nice and really similar to the original droid seen in the movie. In future posts I will show you the progresses with this new droid.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com2tag:blogger.com,1999:blog-428161287995686903.post-82441035920988899292019-07-13T14:55:00.000+02:002019-12-09T11:54:16.273+01:00Restraining bolt<div style="text-align: justify;">
Just another small gadget I designed for my droid while paused the sanding process due to the hot weather: a restraining bolt.</div>
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An easy printing gadget that needs no supports at all and it's also easy to paint.</div>
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<span style="text-align: justify;">I saw a lot of printable restraining bolts on Thingiverse, but they are all made in a single piece, so it's not really easy to paint them and so I decided to design my own.</span><br />
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You can also choose between two different collars; one with a Star Wars like text and one just smooth. After printing it needs only a bit of sanding and then you can paint the base and the collar with the colors you prefer.<br />
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In the bottom there is a small hole where you can glue a 10x5mm magnet, needed to place this gadget on a droid.</div>
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No need to say more I think. Below you can find some photos and the link to the Thingiverse page where you can download the printable parts.</div>
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The link is <a href="https://www.thingiverse.com/thing:3745068">https://www.thingiverse.com/thing:3745068</a></div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-53055456593340674192019-06-24T11:58:00.000+02:002019-12-09T11:54:24.866+01:00Printing ended!<div style="text-align: justify;">
My R2 unit is not completed yet and it will take several month to the finish line, but finally I reached a milestone: I printed the last piece of this project!</div>
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Now what I need to do is sanding and filling (and sanding, filling, sanding, filling, ...) to get it smooth enough to be painted.</div>
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It's a long process and I do not know how much time it will take. As I wrote, prabably I will need several more months before the real end.</div>
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Anyway I am really satified and incredibly happy of the result so far:</div>
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In this photo it's on two legs, but I think I will put it on 3 legs in the end as it will a bit more stable (and I have already printed the center leg, so why not using it?).</div>
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I will post some more photos during the manual work, just to show some progress. After this steps I will concentrate on the electronics and then on the software, but these will be probably steps for the next year...</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-41416422929836694612019-06-24T11:45:00.000+02:002019-12-09T11:54:41.443+01:00The computer interface - 1<div style="text-align: justify;">
As this droid is equipped with an interface arm, I thought it could be nice to make it a "working" item, so I started designing a computer interface like the one seen on ep.IV inside the Death Star.</div>
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Unfortunately I found no measurements, so I had to guess them from the movie frames...</div>
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I think that the result is good enough, at least for me.</div>
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I had to modify the interface arm a bit to make the probe able to rotate freely. When the probe in inside the interface, this rotates and make spin also R2 probe.</div>
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Probably I will make a real data link between R2 and the interface by using wifi, so can also synchronize themself for the show. It could happen something like this:</div>
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<i><b>R2</b>: I am approaching and soon I will insert the probe</i></div>
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<i><b>Interface</b>: Ok, I am waiting...</i></div>
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<i><b>Interface</b>: I detected the probe, you can stop and I will take control</i></div>
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<i><b>R2</b>: some random beeps</i></div>
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<i><b>Interface</b>: some random rotations</i></div>
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<i><b>Interface</b>: The show is ended, you can retract the arm</i></div>
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<i><b>R2</b>: Ok, I am retracting it. Bye</i></div>
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<i><b>Interface</b>: Bye</i></div>
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Of course it's just an example and in the end the communication could be a bit different (they could also exchange some real data, not only synchronize.</div>
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To detect the probe I will use a magnetic switch, like those used to detect the opening of a window for house alarms. R2 probe will have a magnet on the tip, so when it's inserted in the interface it can be detected by the switch and the interface can start rotating.</div>
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I am still in the process of designing many parts of the interface, but this is the result so far:</div>
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Even if it's far from being completed, I put the files on <a href="https://www.thingiverse.com/thing:3642092" target="_blank">Thingiverse</a>, so they are available to everyone. In the future I will update this model to make it a working part link I described above.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-44150987670666034232019-04-12T08:11:00.001+02:002019-12-09T11:54:58.769+01:00The feet - 1<div style="text-align: justify;">
While waiting for weather to be good enough for me to work outside on the body, I decided to continue the printing task.</div>
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I chose to go on with the feet, as they are simple enough to print. Also the new drive system designed by Michael Baddeley is quite better than the previous one, so I wished to giv it a try...</div>
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Instead of a (usually 3D printed) belt, the new system uses just gears, so it should be less prone to faults, less noisy and have a bit more force to move.</div>
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Every feet has a big wheel that is connected with a gears system to an electric motor and a completely 3D printed omni wheel.</div>
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These are the wheels:</div>
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In this photo the omnis are still to be assembled as I was waiting for the bearings. The black parts are printed using TPU, so they are a bit flexible.</div>
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Here is the shell of one of the feet:</div>
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It came out quite well, but of course it needs a lot of sanding and putty, beforse the final painting. Next you can see the shell with all the pieces and one of the tubes:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQDQB15bBawylhwTAud_yfuPR1bwj8t89Lv5FY-p5-hZS59m5IejAORs76-U8P_ki99h2ym-VHYHtdDOmssY41AfdMxjo_YTshDo9altzQ53DGmU5yBrgqg-NC0-3a-QFVVv37tlHEfK2X/s1600/IMG_3419.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="1600" data-original-width="1157" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQDQB15bBawylhwTAud_yfuPR1bwj8t89Lv5FY-p5-hZS59m5IejAORs76-U8P_ki99h2ym-VHYHtdDOmssY41AfdMxjo_YTshDo9altzQ53DGmU5yBrgqg-NC0-3a-QFVVv37tlHEfK2X/s320/IMG_3419.JPG" title="" width="231" /></a></div>
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To make the tubes I just printed them using TPU, so they can be bended a little, then I covered with a metal braid.</div>
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These are the almost finished feet:</div>
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Note that some detail is not in place as I was sanding them (I can do this inside home as they are small parts).</div>
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Also the tubes has been painted. Still thinking if the color should be gold as I did or copper as seen in most of the movies... Probably I will leave them gold.</div>
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For the center foot I chose to redesign it a bit. I had some spare ball omni wheel that could be useful here. There is no drive system for the center foot, so there's no problem in using something different.</div>
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This is the result:</div>
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Still missing the outer shell, but the foot seem quite stable. Anyway only using it can show if it was a good choice.</div>
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After printing also the shell for the centre foot I will go on with the legs.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-86353578472188803482019-02-23T18:49:00.001+01:002019-12-09T11:55:14.492+01:00Fusion furnace - 2<div style="text-align: justify;">
At last the fusion furnace is complete! The 3D printable parts are on thingiverse and can be freely downloaded of course.</div>
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In this post I will put some instructions to build the furnace, so it will be a bit long. Note that almost everything is 3D printed. You just need some nuts and bolts, some tubes and a couple of connectors (of course also glue, putty, sandpaper and paint).<br />
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At the bottom of this post you will find links to the non printable parts and to the models on thingiverse.</div>
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Let's start with the printing tips...</div>
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Every part to be printed has in the name also the count if you need more than one. I printed everything using ABS, but other materials should be fine. Just few parts need supports and you should be able to print them almost on every printer as I tried to keep the parts withing 20cm .</div>
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For the light screen I used white filament. I also tried a clear one, but the result didn't satisfied me, so I used the white. It's quite thin, so the light inside is surely visible.</div>
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Everything else is black ABS. Anyway I sanded and then painted most of the parts, so it's not really important what color is the filament.</div>
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Every part has been printed with a 0.3mm resolution, 2 perimeters (0.8mm) and 15% infill.</div>
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<b>The base</b></div>
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It's made of 4 parts that should be glued together. I printed them upside-down and with supports for the pins where the smaller tubes will be inserted.</div>
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There are small holes where you can put short pieces of 1.75mm filament to keep the parts aligned if you wish.</div>
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This is what you will get:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGnaPxOg-xzPTqc6KiiM_-kdqIWnwHDy4t3skY848d2_yIDYoxTwlBvGN1NeR1nWbbt4fWnnDFhtN0eBJoACNOjBack5G-4b-gSI8-zzuMYDO59Xe2UTNVHlnq7QHn50DXexj8t2qJeQ1e/s1600/IMG_3351.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGnaPxOg-xzPTqc6KiiM_-kdqIWnwHDy4t3skY848d2_yIDYoxTwlBvGN1NeR1nWbbt4fWnnDFhtN0eBJoACNOjBack5G-4b-gSI8-zzuMYDO59Xe2UTNVHlnq7QHn50DXexj8t2qJeQ1e/s200/IMG_3351.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4AYl4Thl-tKZA09sjtMXBydiZ25sdCpvP9nyKyxKs-UZrRTUhe1R1wd2ZkJxrbx-UWFB41bky1WPZPDLWI5jGgu4aOU6amESwFU-7YTjhROdxR7PYa_PnfzidUCbTq5DdJIq7qH2NwoFc/s1600/IMG_3352.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4AYl4Thl-tKZA09sjtMXBydiZ25sdCpvP9nyKyxKs-UZrRTUhe1R1wd2ZkJxrbx-UWFB41bky1WPZPDLWI5jGgu4aOU6amESwFU-7YTjhROdxR7PYa_PnfzidUCbTq5DdJIq7qH2NwoFc/s200/IMG_3352.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqp288AecDLCifsTwyvYa0uF8TZ698fl-MuIJNpvH0QejBDpbcX14gbhJmg0j3vIhzpVue_qYPqn3aBz2H-mPYuiIfxlU1oMlPFqLKfrGgF3XWxBd1V4MgVCFZZx5RN2fD8fZiY9ivczgR/s1600/IMG_3353.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqp288AecDLCifsTwyvYa0uF8TZ698fl-MuIJNpvH0QejBDpbcX14gbhJmg0j3vIhzpVue_qYPqn3aBz2H-mPYuiIfxlU1oMlPFqLKfrGgF3XWxBd1V4MgVCFZZx5RN2fD8fZiY9ivczgR/s200/IMG_3353.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjxIRhsKq_vn7LCE96v2peoDx_GOipXVELM2TB_Q5Ha21Uqcz4y-R40Va5DfhVf1TFJIgAmtTXmGmyfDcvDthwVM8qylE5cGcpegNCUAgnJEe8kreCPkqxoI7jy1G8rO5UlMEaihyphenhyphenxT2z-/s1600/IMG_3354.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjxIRhsKq_vn7LCE96v2peoDx_GOipXVELM2TB_Q5Ha21Uqcz4y-R40Va5DfhVf1TFJIgAmtTXmGmyfDcvDthwVM8qylE5cGcpegNCUAgnJEe8kreCPkqxoI7jy1G8rO5UlMEaihyphenhyphenxT2z-/s200/IMG_3354.JPG" width="200" /></a></div>
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You can also see the holes where the power connectors will go and where you can insert the wires. The holes for the nuts and the bolts are also visible. You need 8 M3x40mm bolts and the corresponding nuts.<br />
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<b>The base ring</b><br />
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Again a 4 parts object. This will be attached to the base using the bolts. The 4 parts also have small holes for alignment pins. The 4 parts doesn't need any kind of support.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOMxrwbglSVgFQtTPERTgPfU7ug0moGiGPtgtIcF9vv2RYpzcOk3EywX7krsMzHqjljG0l6jCihofXO9ySXQo6e9ACQZZ1UU5JpKojIVzn9844ne4W-oSOip5oYIosKfCcWpUbg84yw5LR/s1600/IMG_3355.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOMxrwbglSVgFQtTPERTgPfU7ug0moGiGPtgtIcF9vv2RYpzcOk3EywX7krsMzHqjljG0l6jCihofXO9ySXQo6e9ACQZZ1UU5JpKojIVzn9844ne4W-oSOip5oYIosKfCcWpUbg84yw5LR/s200/IMG_3355.JPG" width="200" /></a>
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<b>The power connectors and the leds holders</b><br />
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I put two connectors in the furnace. In my mind one is used to connect to a real power supply (12V) and the other should connect to the droid. As the two connectors are just wired together, they are interchangeable and it doesn't matter which one you connect to the supply or to the droid.<br />
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The two connector holders may need some support (depends on which orientation you print them), The led holders needs nothing. For every led holder you need 4 leds. I chose yellow leds, but you are of course free to chose another color if you wish.<br />
Every group of 4 leds should be connected in series and the 4 groups are connected in parallel. I used 180ohm resistance for every group, but maybe it's a bit too high as the light is not so bright. Probably 150ohm or 120ohm could be better.<br />
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These are the connectors:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQBAPBJSXQn_3A9TeB46LliL5P4Wq6Mko_pwggI6qGuXkANrEVwDRCniMIMMh2LTIs4vM7xmNjN32F1nVN5Ds1S8BnsWafbaOcLdPH4EASgUDU72VSC9rmdEZgifWYMcBYxnICvebwvX21/s1600/IMG_3360.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQBAPBJSXQn_3A9TeB46LliL5P4Wq6Mko_pwggI6qGuXkANrEVwDRCniMIMMh2LTIs4vM7xmNjN32F1nVN5Ds1S8BnsWafbaOcLdPH4EASgUDU72VSC9rmdEZgifWYMcBYxnICvebwvX21/s200/IMG_3360.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlP6XypwRy3BS8bYtjAz511n4-9RDuGH_cYf1pFNHM88Q66u62JKWUlO9k2dsSxWdgAE5sAE6FRwlXgWoqLPbF8XtHOdDIXqo2dmRD_Te6P69Q8Qn_ULLUKnbeJ-b04OPZb2EcFHWoeFhu/s1600/IMG_3361.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlP6XypwRy3BS8bYtjAz511n4-9RDuGH_cYf1pFNHM88Q66u62JKWUlO9k2dsSxWdgAE5sAE6FRwlXgWoqLPbF8XtHOdDIXqo2dmRD_Te6P69Q8Qn_ULLUKnbeJ-b04OPZb2EcFHWoeFhu/s200/IMG_3361.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7KGDtf9dLVXz4Yuc6fHv5Ny-XML-SOejoZm3QHJXwI50yfDuVZh_ABEo6loinp0slFOqoQnuPMeiyzekJ6ZgpmsvuFdBv3jvEu3y1IpOZhAUlFeA-i-V021FZBjHG-THuQl2YJpn1NLpJ/s1600/IMG_3362.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7KGDtf9dLVXz4Yuc6fHv5Ny-XML-SOejoZm3QHJXwI50yfDuVZh_ABEo6loinp0slFOqoQnuPMeiyzekJ6ZgpmsvuFdBv3jvEu3y1IpOZhAUlFeA-i-V021FZBjHG-THuQl2YJpn1NLpJ/s200/IMG_3362.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_B5VNF6MOV-dBCtpYiXyafb03po1INl3ORgZMT1FDKZzNG0vHshB0AiC3-iyFcnkggZ-BsoDKoqNoGlsQVyjlFgglTM5xHNOQEACRvWpYzqQbShxIfUjgjMkXmqZwAROEy60uxW8j3Ami/s1600/IMG_3363.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_B5VNF6MOV-dBCtpYiXyafb03po1INl3ORgZMT1FDKZzNG0vHshB0AiC3-iyFcnkggZ-BsoDKoqNoGlsQVyjlFgglTM5xHNOQEACRvWpYzqQbShxIfUjgjMkXmqZwAROEy60uxW8j3Ami/s200/IMG_3363.JPG" width="200" /></a></div>
<br />
Note that the "umbrella" of the two holders is not completely flat (these are the only two parts that I printed at higher resolution). To insert them correctly they must be put with the small tip pointing up.<br />
<br />
These are the leds holders:<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSD0OyoorJvMIoSjcRCSUDtj1i7L-Nmfa9NpXBFrsA1-1bsb5hinC4w8NcU_3FPoskF4QW6tmESrdb0uhal-bUgWqeNll2D8Od8ZtLsLbCqRiYrPqMkexrY3u-0SRR4OePQIV-6hNcoZ2g/s1600/IMG_3349.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSD0OyoorJvMIoSjcRCSUDtj1i7L-Nmfa9NpXBFrsA1-1bsb5hinC4w8NcU_3FPoskF4QW6tmESrdb0uhal-bUgWqeNll2D8Od8ZtLsLbCqRiYrPqMkexrY3u-0SRR4OePQIV-6hNcoZ2g/s200/IMG_3349.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcr9M7zhfhZMZAUa4e0cd5yt3y5S0MdwehxmzkD-fNYhwxzEkq3hrivXos002IzIDPu5H1AUDX-E_5svz3UucF_ghuyMm-uBhGJICMgTVvxxMKboxS4H2VLzZFlNJ8WLWuXGMsocnYIDDG/s1600/IMG_3350.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcr9M7zhfhZMZAUa4e0cd5yt3y5S0MdwehxmzkD-fNYhwxzEkq3hrivXos002IzIDPu5H1AUDX-E_5svz3UucF_ghuyMm-uBhGJICMgTVvxxMKboxS4H2VLzZFlNJ8WLWuXGMsocnYIDDG/s200/IMG_3350.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggieBkrBqXj1TWouiwsVVI46rppk72NsabHNKHWJ36ft2WEIRXPmRp3DQW-rJQKRau96cVhKr06eREVz6RxOvVj3-M1dC9QeOnub97q88GDjEmP4a0h7a9si_FgtWHFdKBQHPAy5Ik_oWg/s1600/IMG_3364.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggieBkrBqXj1TWouiwsVVI46rppk72NsabHNKHWJ36ft2WEIRXPmRp3DQW-rJQKRau96cVhKr06eREVz6RxOvVj3-M1dC9QeOnub97q88GDjEmP4a0h7a9si_FgtWHFdKBQHPAy5Ik_oWg/s200/IMG_3364.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg18wn5SJ3dSqBv-xZRduR2OImMOWSneROcEZAJtO_5xlNbchht2ALdy-IF_yn9ch_Va59_VUuM-Ftdj6-jGNU67TUAHjkhGS5uE46Y95lSBMQPlCZLFudnle51-CUsL0V8iL6wNU2hQfDR/s1600/IMG_3365.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg18wn5SJ3dSqBv-xZRduR2OImMOWSneROcEZAJtO_5xlNbchht2ALdy-IF_yn9ch_Va59_VUuM-Ftdj6-jGNU67TUAHjkhGS5uE46Y95lSBMQPlCZLFudnle51-CUsL0V8iL6wNU2hQfDR/s200/IMG_3365.JPG" width="200" /></a></div>
<br />
The leds are 5mm yellow, even if in the photos they just seem green... In the last photo you can see the whole "circuit" inside the furnace.<br />
<br />
<b>The body and the light screen</b><br />
<br />
All the rings forming the body are easy to print. Anyway some small support should be used. The bottom and the top rings can be printed without any support (the top one should be printed upside-down to avoid the supports).<br />
<br />
The light screen is probably the easiest part to print. You need to print it two times and glue them together. The seam is barely visible and will be hidden beside the rings. As I used ABS I glued all the parts using acetone. In any case it would be a good choiche to not use an instant glue, so you have the time to adjust the placement of the parts.<br />
<br />
Here is the screen. Note the seam in the second photo:<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0vmabvF_kBy0qw-T4zcNvK4MRkGUaswMuLzjiZQGpQC7yg7pskTor4ShBhyAsKLsNFGaSp-o08ZLMlMXtxGamgltAaAVAcbje95W8AeGvoD45u9cacH64Ycka9o9gRMUC_p3drcPRPsRS/s1600/IMG_3377.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0vmabvF_kBy0qw-T4zcNvK4MRkGUaswMuLzjiZQGpQC7yg7pskTor4ShBhyAsKLsNFGaSp-o08ZLMlMXtxGamgltAaAVAcbje95W8AeGvoD45u9cacH64Ycka9o9gRMUC_p3drcPRPsRS/s200/IMG_3377.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsDVdsp5XFKme5_zg3Zl85zLEmeuJzFVXVcfrxXJlC25ZWxP4TilUoiXmXWsrLxaE57VLnO790db0OOabC6fWlpSVtJW5UMq-OcWKBfXWbpEe4geDeyhnzvaLK76qhyphenhyphen9y7M6FnZakz6ONT/s1600/IMG_3376.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsDVdsp5XFKme5_zg3Zl85zLEmeuJzFVXVcfrxXJlC25ZWxP4TilUoiXmXWsrLxaE57VLnO790db0OOabC6fWlpSVtJW5UMq-OcWKBfXWbpEe4geDeyhnzvaLK76qhyphenhyphen9y7M6FnZakz6ONT/s200/IMG_3376.JPG" width="200" /></a></div>
<br />
These are all the rings glued together:<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYtdo4hbgytsP2BoPjBi7Cq5kgSxCJWsWhv8ormOFFz5Lk-JMOCCul7qdreX-KvaE_xvjWLEuBarNwGc4tfon25GNm7Yd4a310XMiAS-M8hlZXRRHa2vBaBTvbCs3e4AdTGAeiG2wqf0O0/s1600/IMG_3378.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYtdo4hbgytsP2BoPjBi7Cq5kgSxCJWsWhv8ormOFFz5Lk-JMOCCul7qdreX-KvaE_xvjWLEuBarNwGc4tfon25GNm7Yd4a310XMiAS-M8hlZXRRHa2vBaBTvbCs3e4AdTGAeiG2wqf0O0/s200/IMG_3378.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi66-bnAfZoRcROMkdqrf5nIXZHUzSlExHImBrRZdPCBO35bDzolPNDzlJCJQTpdv7LaqwgJ4KKtnBcAs8RFjA4Kp-omVR8xwgA67m6wmhM7EqpSRnGyMCuuQzEf0s4QTZMbk9yzmxBGemX/s1600/IMG_3379.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi66-bnAfZoRcROMkdqrf5nIXZHUzSlExHImBrRZdPCBO35bDzolPNDzlJCJQTpdv7LaqwgJ4KKtnBcAs8RFjA4Kp-omVR8xwgA67m6wmhM7EqpSRnGyMCuuQzEf0s4QTZMbk9yzmxBGemX/s200/IMG_3379.JPG" width="200" /></a></div>
<br />
<b>The top and the details</b><br />
<br />
This is the last multipart object. As usual you can find the holes for the alignment pegs. I got a good result without using supports, but the 4 parts can be problematic for some printer, so you may need to print with some kind of support.<br />
<br />
The details are easy to print and none of them need supports to be printed, but you should print the tube inserts rotated 90 degrees.<br />
<br />
When everything has been printed, sanded and painted you can glue the details to the top.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfWoXTOs3TzHlrzrNohlJRC6oumGuKLM29XkkmXIKgq0UdKQb7ab2CxY0w6FIKnDycyNOh69Ybyqq3cKwCW9ahA1EOtjkH1EiDDIdB31s_kUN3UQ5Duxf8J6PN5xpB67QlW7MEVXYbS1HA/s1600/IMG_3383.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfWoXTOs3TzHlrzrNohlJRC6oumGuKLM29XkkmXIKgq0UdKQb7ab2CxY0w6FIKnDycyNOh69Ybyqq3cKwCW9ahA1EOtjkH1EiDDIdB31s_kUN3UQ5Duxf8J6PN5xpB67QlW7MEVXYbS1HA/s200/IMG_3383.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6tsW_al5D7pjQWKZmeSF0Fst8l2tc2l9C4a-qiG-JrmRuKsvsMykC1Xeb8WUevk-96WHBElvksHDno-A_Gkca50fa-69kDWNpXRKAZSeiryXneT2YRjMJNHeGA7YDbvLJMZMnbectIaqJ/s1600/IMG_3385.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6tsW_al5D7pjQWKZmeSF0Fst8l2tc2l9C4a-qiG-JrmRuKsvsMykC1Xeb8WUevk-96WHBElvksHDno-A_Gkca50fa-69kDWNpXRKAZSeiryXneT2YRjMJNHeGA7YDbvLJMZMnbectIaqJ/s200/IMG_3385.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_emU8RbcMUOKZWBIxrO3sYzu5hWzRunddCxC9tn2vPGA7JnFMuaZp81GK6dQi_XLlGWSFP80xiK9BwnPPhacSCXEtjcvJkNyfni-CF9qzSmwquGkHi-ROT-0dbnjuG4l7XHg4Rx8SSRi9/s1600/IMG_3386.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_emU8RbcMUOKZWBIxrO3sYzu5hWzRunddCxC9tn2vPGA7JnFMuaZp81GK6dQi_XLlGWSFP80xiK9BwnPPhacSCXEtjcvJkNyfni-CF9qzSmwquGkHi-ROT-0dbnjuG4l7XHg4Rx8SSRi9/s200/IMG_3386.JPG" width="200" /></a></div>
<br />
Then you can just put the whole top in place:<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSadbM8-i5_UP3aZryK8a5ETbgyLwX8H4P2LbjfpMmkumw75xocTFmf9HnBV6aFMWOEDQ30f4UK221Ycxv_t6ZJCQrllCbEY1jQwXkKC6C8yyuVURoM0KX5NUNyCmje_5OpxGZ0ucuD6VV/s1600/IMG_3387.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="800" data-original-width="600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSadbM8-i5_UP3aZryK8a5ETbgyLwX8H4P2LbjfpMmkumw75xocTFmf9HnBV6aFMWOEDQ30f4UK221Ycxv_t6ZJCQrllCbEY1jQwXkKC6C8yyuVURoM0KX5NUNyCmje_5OpxGZ0ucuD6VV/s200/IMG_3387.JPG" width="150" /></a></div>
<br />
<br />
<b>The coils</b><br />
<br />
This is one of the parts that cannot be printed. I used 11 pieces of 1mm copper wire. Every piece is about 90cm long.<br />
I winded the wires on a pen, but any cylinder about 1cm diameter will be fine. After winding it I modeled by hand to get more or less the right shape. You don't really need to be perfect in this step.<br />
<br />
After the coils are ready you can insert one end inside the wire cap that will be placed on a connector and the other end should be inserted in the specific hole in the top.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhR8mwqbLvBvaZjcSn4SAGlgqA8hKlJLH8nDkO1p4cLjocOw-w3QuHpcvz_cYvctuimiJSvFhXw4Q44OgJsbtEDxmhwo5jJy8L9pZ4rNy6kSNZmpEsQlkxwwfuZajuoXFe5dvrC6v1t4rtN/s1600/IMG_3297.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhR8mwqbLvBvaZjcSn4SAGlgqA8hKlJLH8nDkO1p4cLjocOw-w3QuHpcvz_cYvctuimiJSvFhXw4Q44OgJsbtEDxmhwo5jJy8L9pZ4rNy6kSNZmpEsQlkxwwfuZajuoXFe5dvrC6v1t4rtN/s200/IMG_3297.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgE01igoMd_dw41Dq2KLkaKGobVVquy1I75BReUDmlCLmhfTy0osTquQAsDaY_xKxRX3lNOga2vOsvIuwpPsxT_KweMBank454wdKG_GIe1X8Y_tSLlMn9c6Gc4OVBLTq5Bcxe1Uj717XSB/s1600/IMG_3380.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgE01igoMd_dw41Dq2KLkaKGobVVquy1I75BReUDmlCLmhfTy0osTquQAsDaY_xKxRX3lNOga2vOsvIuwpPsxT_KweMBank454wdKG_GIe1X8Y_tSLlMn9c6Gc4OVBLTq5Bcxe1Uj717XSB/s200/IMG_3380.JPG" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7JNYzzWkk1cscpV8qYqieJ_gvJebJtGYzygTWMfIjeP0soi1nVBPlM9VLL21ajYX8beWDjSeVZChrffSyCk-TGE-2eGBDCOiiLguhuRjdOvXm7vxuavRyepTf6AdCoozcjd2IwS5wUDqQ/s1600/IMG_3382.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7JNYzzWkk1cscpV8qYqieJ_gvJebJtGYzygTWMfIjeP0soi1nVBPlM9VLL21ajYX8beWDjSeVZChrffSyCk-TGE-2eGBDCOiiLguhuRjdOvXm7vxuavRyepTf6AdCoozcjd2IwS5wUDqQ/s200/IMG_3382.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXe6f0OVXGJMf7uRokX7Jj1Wb4h5ojhYxh2bpf4l-SWaWEX1-UkttX-yAisots8kTC44GxQ2J4WexN04x-ozy2Q2VD-WunkaT-S6MhZdltw4rKGNjCh1UoOkja1dqudi_BhqbMqDdApBKD/s1600/IMG_3388.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXe6f0OVXGJMf7uRokX7Jj1Wb4h5ojhYxh2bpf4l-SWaWEX1-UkttX-yAisots8kTC44GxQ2J4WexN04x-ozy2Q2VD-WunkaT-S6MhZdltw4rKGNjCh1UoOkja1dqudi_BhqbMqDdApBKD/s200/IMG_3388.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNgcH46iGK07UTfJar5-tG4rH49HfzrK9NQRgq1It-uCtpIQl9U-g1hP0Xx6BKlwmuGGSJ03W63Sn0F-fW2J69Pend20_w9BmUe7N60-Et85QWPzolf6o8TbYMni1vbY5KBe2vbjU4rREU/s1600/IMG_3389.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNgcH46iGK07UTfJar5-tG4rH49HfzrK9NQRgq1It-uCtpIQl9U-g1hP0Xx6BKlwmuGGSJ03W63Sn0F-fW2J69Pend20_w9BmUe7N60-Et85QWPzolf6o8TbYMni1vbY5KBe2vbjU4rREU/s200/IMG_3389.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOjx-kQwB_FS2JEtQeqFNOyV_u8FbsY7zPmpZbuljGmajZ7hhgqdVimbDtumqqztSRZQwPdKQgxyni5AxF4mw0f5lBa7AFHi9jxj2wuxlVKWOWkkJJwq3Umd54X_-yEYevVMA0gFXwTYT9/s1600/IMG_3390.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOjx-kQwB_FS2JEtQeqFNOyV_u8FbsY7zPmpZbuljGmajZ7hhgqdVimbDtumqqztSRZQwPdKQgxyni5AxF4mw0f5lBa7AFHi9jxj2wuxlVKWOWkkJJwq3Umd54X_-yEYevVMA0gFXwTYT9/s200/IMG_3390.JPG" width="200" /></a></div>
<br />
In the last photo you can see all the coils in place.<br />
<br />
<b>The big tubes</b><br />
<br />
When I started building the furnace I bought some silicone tube for these parts, but no matter what I tried, I couldn't get the right curves. At the end I just decided that printing that tubes was the best solution and I was right.<br />
<br />
I printed them using a clear filament and I didn't need any support by rotating them 90 degrees. They came out great and I really like them.<br />
<br />
The only drawback is that it's easier to break something...<br />
<br />
To put them in place I insert the top first and then the bottom. Please note that the bottom end should not be inserted too much. About 1mm is more than enough.<br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs2aaq7lL0RCscOnONZhKN6XwQR5BYfVPCoGBWgIJUvB0U-yQACGmOITWiknp5e6nzGNS_PhBGOuZ_vQO7B05Q6LxWSrvTMSBJwCfe4HNV5N6VNzsg5vfLtxdIK0VNhBTcArbiQtJtqW2K/s1600/IMG_3375.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs2aaq7lL0RCscOnONZhKN6XwQR5BYfVPCoGBWgIJUvB0U-yQACGmOITWiknp5e6nzGNS_PhBGOuZ_vQO7B05Q6LxWSrvTMSBJwCfe4HNV5N6VNzsg5vfLtxdIK0VNhBTcArbiQtJtqW2K/s200/IMG_3375.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOtgtOtcMrZmDH990R7c2zY68mWpSHV_DS8jKTql_6uIQb_lq4h7Yk8ErgRqwE8aZpOgcQgmAlYGzo_DSZqcUw-33F3SH4RrlH_Fzix-1lf7h2vB7aZGX4vi4tdB01ds0Y7bWhpVdloNHK/s1600/IMG_3374.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOtgtOtcMrZmDH990R7c2zY68mWpSHV_DS8jKTql_6uIQb_lq4h7Yk8ErgRqwE8aZpOgcQgmAlYGzo_DSZqcUw-33F3SH4RrlH_Fzix-1lf7h2vB7aZGX4vi4tdB01ds0Y7bWhpVdloNHK/s200/IMG_3374.JPG" width="200" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCb6X3ebJApM0e3VfUWk8JHodYIdrdUpY0Y5zWatkoFxgk2JaDj_uHdeUFwxKzhhhKEmdVT9jWCrnxtVwCEqijrXBqeQDTOOWkc8KwwQHJhPqYGA7hl6JbdPzZBdD9lEuPD-PGF83Ia8Oh/s1600/IMG_3391.JPG" imageanchor="1" style="margin-left: 0.1em; margin-right: 0.1em;"><img border="0" data-original-height="800" data-original-width="600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCb6X3ebJApM0e3VfUWk8JHodYIdrdUpY0Y5zWatkoFxgk2JaDj_uHdeUFwxKzhhhKEmdVT9jWCrnxtVwCEqijrXBqeQDTOOWkc8KwwQHJhPqYGA7hl6JbdPzZBdD9lEuPD-PGF83Ia8Oh/s200/IMG_3391.JPG" width="150" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS7bVy80041o46uw9pxDFP9-c0R1dHaXvTZnI43_Tywr6RyvHpP1XuiZ4FQSKdi8okZUE7lneE48DPP83acQSeZ9izoWbDLbHeJ-e9mXSF1InWeoD8qRAIfEXpRnE7ePjIz5PAhy4-lf1Y/s1600/IMG_3395.JPG" imageanchor="1" style="margin-left: 0.1em; margin-right: 0.1em;"><img border="0" data-original-height="800" data-original-width="600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS7bVy80041o46uw9pxDFP9-c0R1dHaXvTZnI43_Tywr6RyvHpP1XuiZ4FQSKdi8okZUE7lneE48DPP83acQSeZ9izoWbDLbHeJ-e9mXSF1InWeoD8qRAIfEXpRnE7ePjIz5PAhy4-lf1Y/s200/IMG_3395.JPG" width="150" /></a></div>
<br />
<b>The small tubes</b><br />
<br />
These are not printed as the bigger ones. The rubber tube I found was perfect, so I had no need to make them printable.<br />
<br />
These tubes are about 19cm long, but I think that they can be shorter without any problem. The tube that I bought was clear, but I was lucky enough because it was paintable. Note that some of these tubes are just unpaintable, so if you can find a black one it's surely a better choiche.<br />
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You need to print one small connector for every tube. This connector will be inserted in the base ring.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM14diWOKmzLIMJOLfXhT6DkXn0feRQsWy2g3qb2S4Z6dI4LVmTuyg3dDmqjIjZHU_y7U1I6tRSdtJtjOaVuJ3vc2FZN-Z0CqraRPMGb8mpF3piKcr4qqaYKoga0hb_2T8LstHqUZ1lX7F/s1600/IMG_3371.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM14diWOKmzLIMJOLfXhT6DkXn0feRQsWy2g3qb2S4Z6dI4LVmTuyg3dDmqjIjZHU_y7U1I6tRSdtJtjOaVuJ3vc2FZN-Z0CqraRPMGb8mpF3piKcr4qqaYKoga0hb_2T8LstHqUZ1lX7F/s200/IMG_3371.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyj69iZMFMJb46EVuT86kkKIkUnMpJVHc4nk6VsFQeova572KXiLyYqB-2FxdHrHH5WMpXbKQhd6hXJFwRa2TRqFcZ5yTHQRJjpeKsJMJ8m3LIu7BIkDj9LRlK_sYvJgaSeDgj28tSUudb/s1600/IMG_3372.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyj69iZMFMJb46EVuT86kkKIkUnMpJVHc4nk6VsFQeova572KXiLyYqB-2FxdHrHH5WMpXbKQhd6hXJFwRa2TRqFcZ5yTHQRJjpeKsJMJ8m3LIu7BIkDj9LRlK_sYvJgaSeDgj28tSUudb/s200/IMG_3372.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsvjQ8_uCJwDL2-xu6fX1YoCrK6T8OoU2aOIPkJ5T5AjD-QajM7IGaUETFPxBs3T2nsSqJMXJQ31Azd8WRACnh6_PDFglK2HJt3Xnago6PyBlMRBrV_EvWNKy55GGFPx9KGlxOx8_pTays/s1600/IMG_3373.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsvjQ8_uCJwDL2-xu6fX1YoCrK6T8OoU2aOIPkJ5T5AjD-QajM7IGaUETFPxBs3T2nsSqJMXJQ31Azd8WRACnh6_PDFglK2HJt3Xnago6PyBlMRBrV_EvWNKy55GGFPx9KGlxOx8_pTays/s200/IMG_3373.JPG" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh25k60dQDG59Ex0aQVNwwq8UcwDuAJxeMVLUr43eS_Cd2VzOFkZLilrfRjcbxuaYhz0oHiMTezPoBT9u7OZPjgAB6w7OLDTgdPiFaQ908ndjRkTsegy8wdRfKHq_QN4mx6F0ruWstCiDFy/s1600/IMG_3397.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh25k60dQDG59Ex0aQVNwwq8UcwDuAJxeMVLUr43eS_Cd2VzOFkZLilrfRjcbxuaYhz0oHiMTezPoBT9u7OZPjgAB6w7OLDTgdPiFaQ908ndjRkTsegy8wdRfKHq_QN4mx6F0ruWstCiDFy/s200/IMG_3397.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8sbYug7CaD_K87-U75PiJyavoxBM16WSHACm9L7v3iC4cUW7NnQqwbRKJcCZCU2R9OJfB-gjKSXb16zuWCu7s1dftxSF_cyGsPQig73iNHJSRmZxGbDJzr-LM6CzG8kMFuVgXzNcGP1sc/s1600/IMG_3398.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8sbYug7CaD_K87-U75PiJyavoxBM16WSHACm9L7v3iC4cUW7NnQqwbRKJcCZCU2R9OJfB-gjKSXb16zuWCu7s1dftxSF_cyGsPQig73iNHJSRmZxGbDJzr-LM6CzG8kMFuVgXzNcGP1sc/s200/IMG_3398.JPG" width="200" /></a></div>
<br />
Now the fusion furnace is complete! Here is the result:<br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnq1lP54CJpTWVAoXaUed95QvC2zMfznTRHF8R33CuvDUg7TE-MndlZM7fprZg1_OyjdBNgLEhA1XIE5ZOXN6X-r7J_e_c231wyZaGlzRVQbmhtYtNtkHXvZWe8Xl3irp5Bh36DjT9T-ik/s1600/IMG_3399.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="800" data-original-width="600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnq1lP54CJpTWVAoXaUed95QvC2zMfznTRHF8R33CuvDUg7TE-MndlZM7fprZg1_OyjdBNgLEhA1XIE5ZOXN6X-r7J_e_c231wyZaGlzRVQbmhtYtNtkHXvZWe8Xl3irp5Bh36DjT9T-ik/s200/IMG_3399.JPG" title="" width="150" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTPSMk98Fx-JQ9a1S4c5nTWL17NB6SsCUHuEC48zzp2BJ21388a7scLGlU7zRwkj1KZW4JNG6QBj2P0njRSqk4W8Qav12MSbt0NDgzrK_pwCak-eTsfkZKqMdIAjJhf-BPueoVv_XglBwh/s1600/IMG_3369.JPEG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="600" data-original-width="569" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTPSMk98Fx-JQ9a1S4c5nTWL17NB6SsCUHuEC48zzp2BJ21388a7scLGlU7zRwkj1KZW4JNG6QBj2P0njRSqk4W8Qav12MSbt0NDgzrK_pwCak-eTsfkZKqMdIAjJhf-BPueoVv_XglBwh/s200/IMG_3369.JPEG" title="" width="189" /></a></div>
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<hr />
<br />
This is the list of the non printed parts. I bought everything on Amazon Italy, but it should be easy to find them elsewhere:<br />
<br />
The M3x40 bolts - <a href="https://amzn.to/2GKeaDg" target="_blank">https://amzn.to/2GKeaDg</a><br />
The power connectors - <a href="https://amzn.to/2GJ07O8" target="_blank">https://amzn.to/2GJ07O8</a><br />
The copper wire - <a href="https://amzn.to/2Ve558X" target="_blank">https://amzn.to/2Ve558X</a><br />
The small tube - <a href="https://amzn.to/2E3Z87A" target="_blank">https://amzn.to/2E3Z87A</a><br />
<br />
If you wish to try also a silicone tube for the bigger ones, this is what I tried: <a href="https://amzn.to/2Ea2JkD" target="_blank">https://amzn.to/2Ea2JkD</a><br />
<br />
I have to warn you that the copper wire that I bought was not 10m long a stated, but actually less than 9m, so I had to buy two to make all the 11 pieces.<br />
<br />
Finally the printable parts on thingiverse: <a href="https://www.thingiverse.com/thing:3447859" target="_blank">https://www.thingiverse.com/thing:3447859</a></div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-20078009257807881582019-02-03T18:47:00.000+01:002019-02-03T18:47:10.820+01:00Fusion furnace - 1<div style="text-align: justify;">
I finished printing the body a couple of months ago, but now the droid is on hold. The body needs heavy sanding, priming and painting and I cannot do this inside my house, so I need a better weather to go on.</div>
<div style="text-align: justify;">
Anyway I am still developing something about this droid and after a bit of research I decided to build a replica of the fusion furnace seen in ep.V on Dagobah. I think you will agree that a droid is almost useless without a good recharging unit!</div>
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I watched a lot of frames from the movie and also photos of other replicas from the fans. After a while I could have been quite confident to have enough good measures and details to start a design.</div>
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Printing this model is easy. Also assembling is not too difficult. The only issue I found was on the tubing system.<br />
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<div style="text-align: justify;">
There are two different sets of tubes in the design: 8 small black tubes in the base and 8 bigger tubes from the top to the bottom of the model.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlT_y1AJu1iURvsCXXzf06nDEc6-ScHEDEtvj5l2Ua8JziZcPaLaPXUC9yhV1bIAiblSyp6TuTic-E0ikOzf3duM9Z3-eY9igsKLaysmFrivBYQlEc0MQumESVLiM5ctY3pt5shMtP6Ttf/s1600/dagobah1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="221" data-original-width="467" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlT_y1AJu1iURvsCXXzf06nDEc6-ScHEDEtvj5l2Ua8JziZcPaLaPXUC9yhV1bIAiblSyp6TuTic-E0ikOzf3duM9Z3-eY9igsKLaysmFrivBYQlEc0MQumESVLiM5ctY3pt5shMtP6Ttf/s320/dagobah1.jpg" width="320" /></a></div>
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<div style="text-align: justify;">
For both I tried some simple silicon tubes (those usually used for small aquariums). They were perfect for the small ones, but the bigger tubes could not get the right curves, no matter what I did.</div>
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<div style="text-align: justify;">
So, to have better tubes I decided to just print the bigger ones and I must admit I am really satisfied of the result.</div>
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Other features are:</div>
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<div style="text-align: justify;">
<br />
<ul>
<li>empty inside to fill with lamps or leds, to simulate the powering</li>
<li>thin white screen as a diffuser for the inside light</li>
<li>two real connectors to get power inside and eventually trasfer it to the droid</li>
</ul>
</div>
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Of course many more things can be added like for example something to make the buzzing sound during the recharge.</div>
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Here you can find some photos of the building process. Note that this is not finished yet as I still need a bit of sanding and the final painting.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigzQ6bJJCmrpGVA9fgdeMks_IF1xTo4vUwJ4iOJFYHdAgH3KvdYRtiSv0x8DQzKvZjwCwmGnvUS9Byfw9iOr_Q25spqWiydPe_-c4vmque8OsBBzbXGXdNsP-AkIvEeXR6lXwB6b_HaRCY/s1600/IMG_3288.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="630" data-original-width="800" height="157" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigzQ6bJJCmrpGVA9fgdeMks_IF1xTo4vUwJ4iOJFYHdAgH3KvdYRtiSv0x8DQzKvZjwCwmGnvUS9Byfw9iOr_Q25spqWiydPe_-c4vmque8OsBBzbXGXdNsP-AkIvEeXR6lXwB6b_HaRCY/s200/IMG_3288.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigXsJ7viCYMn4OCVALFOQ2O3CdwDDyp9VHXoECbDq6m2ovyIOL6nQuiUGKeAT4vOZUeTBtE7DC_H8rRk_EOojlqKKOimZ_oovo0VmqqjvWHiliMy4UTsGJjNbVCDvmYobHH-GRAYCXuwAI/s1600/IMG_3291.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="800" data-original-width="608" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigXsJ7viCYMn4OCVALFOQ2O3CdwDDyp9VHXoECbDq6m2ovyIOL6nQuiUGKeAT4vOZUeTBtE7DC_H8rRk_EOojlqKKOimZ_oovo0VmqqjvWHiliMy4UTsGJjNbVCDvmYobHH-GRAYCXuwAI/s200/IMG_3291.JPG" width="151" /></a></div>
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This is the top after a first priming and with some stucco where needed. You can also see some of the greebles, but they are still not glued in place. The wire is just a test to measure the length of the copper wire that I will use in the finished model.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1Sm3ZCxU44YqxAmjDJd9B9WWBvLDMrrz883PVgD_JTe0J9MGCoe2PM0n9qih6gb2BflN5kgxNNF3Kque2LawwcSEcwU6mZ62tr-AQhY7Lbm5JCY5o4a5NCwuPZPbUsahzik1iRJ_k5w2P/s1600/IMG_3297.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1Sm3ZCxU44YqxAmjDJd9B9WWBvLDMrrz883PVgD_JTe0J9MGCoe2PM0n9qih6gb2BflN5kgxNNF3Kque2LawwcSEcwU6mZ62tr-AQhY7Lbm5JCY5o4a5NCwuPZPbUsahzik1iRJ_k5w2P/s200/IMG_3297.JPG" width="200" /></a></div>
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For the final wires I used 1mm copper wire. About 90cm for every spring and manually winded using a pen.</div>
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Just a bit of manual forming and then I inserted the wires in place. Nice! In the second photo you can also see two of the printed tubes in place (still to be glued of course).</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRTx4wnrY020zDepfHz2kisN5Z5yVeyk3iTbKsE5ix1HxXQ90213QGYMV1k21ZLhCgWIDA-7-XQgjLLQLzkk1BF8htYsodlcXJDLo63q0zEEpi0Z2hKOBbXgY3QYzmSlPLN27e8ZrU8pFT/s1600/IMG_3305.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="800" data-original-width="600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRTx4wnrY020zDepfHz2kisN5Z5yVeyk3iTbKsE5ix1HxXQ90213QGYMV1k21ZLhCgWIDA-7-XQgjLLQLzkk1BF8htYsodlcXJDLo63q0zEEpi0Z2hKOBbXgY3QYzmSlPLN27e8ZrU8pFT/s200/IMG_3305.JPG" width="150" /></a></div>
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This is a detail of the printed tubes where they connect to the base. Also one of the real connectors is visible in the bottom.</div>
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This is where I am now. As I wrote above, the model needs more sanding and of course a good painting, but I should get it complete in few time. I will make a second post about the furnace to show you the final model and of course all of the printable files and a list of the extras will be available in the same days.</div>
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Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-57138498150212153262018-10-07T11:05:00.000+02:002018-10-08T11:42:59.200+02:00The lift system - 2<div style="text-align: justify;">
Finally I managed to test the lift system with the periscope. I was a bit worried because the periscope is much heavier than the life scanner, so the servo and the gears could not be enough to lift it.</div>
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In the video you can see that the lift is working. Not completely stable, but I still have to attach the whole system to the dome. After this I hope ot will be better.</div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/6lTnYAwwcCc/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/6lTnYAwwcCc?feature=player_embedded" width="320"></iframe></div>
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I will probably add something to make the rise of the periscope a bit better. Probably a vertical guide or maybe a counterweight to make it lighter for the system.</div>
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You can find the model on thingiverse. The link is on the <a href="https://rpi2d2.blogspot.com/p/models.html">models page</a>.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com2tag:blogger.com,1999:blog-428161287995686903.post-8307227343652188652018-09-24T13:36:00.000+02:002018-09-24T13:36:16.279+02:00The body - 1<div style="text-align: justify;">
Well, this will be the most intensive part of the whole droid. The body is made up of several different parts to be printed and most of them needs 3-4 hours of printing (sometimes more).</div>
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Anyway the building is a quite linear task, so there should be no problems or at least they should be really few. </div>
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My only concern is about ABS warping. With the new printer and the enclosure this has been quite reduced, but still visible in the biggest parts. I will surely need to make some post printing fixes...</div>
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That's what I have done until now...</div>
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The base and the first ring are the easiest parts to assemble:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimhNaw2ugWZq_5vbxGjOg8ONtjdKjcNU0llpn4Kt0u1F-f9Eb6eAPATS_JrlNH8BpmZre1kVLrpDX9t6TluA_vjCiA5TSNB18Hsxgdn-xBqWvebbo-tKjoc_-pxcoWhO_rkxRKiTp6POuV/s1600/IMG_3007.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimhNaw2ugWZq_5vbxGjOg8ONtjdKjcNU0llpn4Kt0u1F-f9Eb6eAPATS_JrlNH8BpmZre1kVLrpDX9t6TluA_vjCiA5TSNB18Hsxgdn-xBqWvebbo-tKjoc_-pxcoWhO_rkxRKiTp6POuV/s200/IMG_3007.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhu14llJnmf1026T11aGy2ceNrbi-6WoMw5W0omv0vAB_dLzd5wOpnpKat3k4Yvw16e9wC0LPoEK0BfLYobD9EHe6Bh_YDYpNWove0lwEkZkSDp_-BnSjRlqTyySUTsdfoUEJYc4eRv0_gP/s1600/IMG_3010.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="375" data-original-width="500" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhu14llJnmf1026T11aGy2ceNrbi-6WoMw5W0omv0vAB_dLzd5wOpnpKat3k4Yvw16e9wC0LPoEK0BfLYobD9EHe6Bh_YDYpNWove0lwEkZkSDp_-BnSjRlqTyySUTsdfoUEJYc4eRv0_gP/s200/IMG_3010.JPG" width="200" /></a></div>
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I used acetone welding to join the parts and two components epoxy to fill the holes due to the warpings. I am waiting for a cheap 3D pen to arrive in the next days, so I can use it to fill every large hole.<br />
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The second ring is on the way and this is more or less the actual status:<br />
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The coin slots and the vents panel have already been sanded and sprayed with the filler. I will alternate from ring parts and some detail like these, depending on printing time.<br />
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Here is a small mod to open the charging port door using a servo:<br />
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The mechanism is a bit loosy, so I will use a small magnet to help keeping the door closed.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-51718622349849464462018-06-13T10:36:00.000+02:002018-06-13T10:37:27.346+02:00The lift system - 1<div style="text-align: justify;">
Here again. After some time without writing posts now I can go on with some progress for my Astromech. Now it's time to think about a lift system for the life scanner and the periscope.</div>
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<span style="text-align: justify;">I searched several days for a good lift system, but I found nothing suitable for my needs, so I started designing one by myself.</span><br />
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I tried about ten different methods and I think that now I made a good project for my droid.</div>
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The system is attached at the top of the dome and has two lifts, one for the scanner and one for the periscope. I could eventually add another one, but for now I do not need it. These are few photos from this system (still not in place inside the dome):</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLlwKoj3zSRRyQYukrg4Amwuqu-5lT0S-VJS1TtlRwrUhOsxmeCQS936Yrwm1GhXWRKxgGIgKlBLcOwxgIMVmmHVNWXjX9-_S37Lc-O_f1H8ND3rUev1-9HQru9zlSn-B5H6Q0nXbb8Ztt/s1600/IMG_2632.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLlwKoj3zSRRyQYukrg4Amwuqu-5lT0S-VJS1TtlRwrUhOsxmeCQS936Yrwm1GhXWRKxgGIgKlBLcOwxgIMVmmHVNWXjX9-_S37Lc-O_f1H8ND3rUev1-9HQru9zlSn-B5H6Q0nXbb8Ztt/s200/IMG_2632.JPG" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEij1EbqKWtm3po8DDqUeAVD3bPf-Va-U1raG_VOrfVyWydyMWU_D7zWSZZ4j7bsXZSPlIqd5UH30zrIQUcQRHK3abQSHHWHByzqNSQjpsZbw22DfCEkb8ik4t7rrTrDm4SREFd_BdLiiCPh/s1600/IMG_2635.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEij1EbqKWtm3po8DDqUeAVD3bPf-Va-U1raG_VOrfVyWydyMWU_D7zWSZZ4j7bsXZSPlIqd5UH30zrIQUcQRHK3abQSHHWHByzqNSQjpsZbw22DfCEkb8ik4t7rrTrDm4SREFd_BdLiiCPh/s200/IMG_2635.JPG" width="200" /></a></div>
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I need to fix the perpendicularity of the lift as it goes up and down slightly angled, but for the rest it seems quite fine.<br />
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This is a short video of a test for the life scanner. Movements are not so smooth, but this is a software issue because I still need to calibrate some parameters:<br />
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/iAtoZdC7_lE/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/iAtoZdC7_lE?feature=player_embedded" width="320"></iframe></div>
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When this system will be completed I will share the printable parts on Thingiverse as usual.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com3tag:blogger.com,1999:blog-428161287995686903.post-41455142047701167202018-04-03T10:37:00.000+02:002019-12-09T11:55:46.500+01:00The periscope - 2I completed the painting and the assembly of the droid periscope. Now it's just a matter of putting some "special effect" on the inside...<br />
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<a name='more'></a>I painted it all white as it should be. On the back I inserted 3 leds, but for now I do not think I will really use them. They are just there as static details.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh41jtRr4xOaryuh5xDN8fmh1F-l-odR7n9XqXMRJU4HwkouKDKkG5wzAknCkpQ9nenB_1YZdYTCWBodDgcD1zcJBYN1_XbikZ3Hg6fsW_EeY883c5ymUYzKrlbKhvvTqhRVFvMxZYaDiti/s1600/IMG_2334.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="293" data-original-width="400" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh41jtRr4xOaryuh5xDN8fmh1F-l-odR7n9XqXMRJU4HwkouKDKkG5wzAknCkpQ9nenB_1YZdYTCWBodDgcD1zcJBYN1_XbikZ3Hg6fsW_EeY883c5ymUYzKrlbKhvvTqhRVFvMxZYaDiti/s320/IMG_2334.JPG" width="320" /></a></div>
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The periscope mounted on the supports came out really nice. The top pie is still not glued in place as I need to work on the inside.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvUNU__4djthCcgkb_fICpWzdPpFRgw7aQN_VtTODrxy0ziwbYj4NTAaRgHF4CeZPsERg7r6zF9H_ZiI4-fn9AdhYrHhKc3bL42c3vbrAnn1nYwxQxj2pPCu9Pkq_NCxnGZ9XB8TWgXVwa/s1600/IMG_2336.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="356" data-original-width="400" height="284" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvUNU__4djthCcgkb_fICpWzdPpFRgw7aQN_VtTODrxy0ziwbYj4NTAaRgHF4CeZPsERg7r6zF9H_ZiI4-fn9AdhYrHhKc3bL42c3vbrAnn1nYwxQxj2pPCu9Pkq_NCxnGZ9XB8TWgXVwa/s320/IMG_2336.jpg" title="" width="320" /></a></div>
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The lenses have been printed using a transparent plastic filament. Of course they did not come out clear and transparent, but that's the effect I needed for them (3D printing a really transparent object is an almost impossible thing with FDM printers).</div>
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In the inside I will put one red led for the small rectangular lens in the bottom part and some white leds to light up the other lenses. The wires will be inserted into the legs (they are empty inside) and one will be put inside one of the small black cones to make the periscope a bit more "interesting"...</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJydEoygfIbfJvpIfCGW9oDYKKwfwAlLaVC1E7DF-CNBChKtAkdhKqpKw4UiBWDMmJpA1rSG2sHjQz_KvOuFDL114icaQSmYsg4q8ttDo8bokwC7cuR_Xv-ZVA3O4wsNevyV89oPpkunzm/s1600/IMG_2337.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="407" data-original-width="400" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJydEoygfIbfJvpIfCGW9oDYKKwfwAlLaVC1E7DF-CNBChKtAkdhKqpKw4UiBWDMmJpA1rSG2sHjQz_KvOuFDL114icaQSmYsg4q8ttDo8bokwC7cuR_Xv-ZVA3O4wsNevyV89oPpkunzm/s320/IMG_2337.jpg" title="" width="314" /></a></div>
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Putting it on the dome makes a beautiful glance of the completed droid!Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-9671751123446502652018-04-02T10:24:00.000+02:002019-12-09T11:56:03.589+01:00The dome - 3<div style="text-align: justify;">
At last the boring part is ended. All the sanding, filling and painting tasks are done and my droid dome is going to be complete soon!</div>
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Here some photo of the dome:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjD2-G5rq9WRbcF64BsM0gDajaLFefZdKRtXihNX9N_9wKhvEh7ofhLbIVf_ItT1K3BMKFcIIRzUBG9lBeoPLc4DQofeiqMS18ELTDxPRRBuwpyNqjnmwPYPV6nD5T-vDMy5NeODlx53FOO/s1600/IMG_2331.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="344" data-original-width="400" height="171" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjD2-G5rq9WRbcF64BsM0gDajaLFefZdKRtXihNX9N_9wKhvEh7ofhLbIVf_ItT1K3BMKFcIIRzUBG9lBeoPLc4DQofeiqMS18ELTDxPRRBuwpyNqjnmwPYPV6nD5T-vDMy5NeODlx53FOO/s200/IMG_2331.JPG" title="" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc5WzC4Qc7EioTVuWZJIkxjv87RaepfML9ln0Ozwmx5YO-Mv_Xzb1znECLrl62GWfcsTH5P0ptTcds4kFrY_K2z4Ut0NqQCrVALpr-PA8EPcxBXcLbbvQD_0z_axThA68ravknx9qNumqA/s1600/IMG_2332.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="345" data-original-width="400" height="172" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjc5WzC4Qc7EioTVuWZJIkxjv87RaepfML9ln0Ozwmx5YO-Mv_Xzb1znECLrl62GWfcsTH5P0ptTcds4kFrY_K2z4Ut0NqQCrVALpr-PA8EPcxBXcLbbvQD_0z_axThA68ravknx9qNumqA/s200/IMG_2332.jpg" title="" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVgIZPwryn5gnTqsVYjrbKGn4h8lzcUv9ChH5iQujlbd-rYjx9jkFdXO2ClTcs55Dn3w48LEh69tMHuhww95iT31JucqaJ38QUVPnhyphenhyphenDwWTLA0MRyANFJoAyiF-Y1XxdxkiWjF6alDl9Gb/s1600/IMG_2337.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="mascalx" border="0" data-original-height="407" data-original-width="400" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVgIZPwryn5gnTqsVYjrbKGn4h8lzcUv9ChH5iQujlbd-rYjx9jkFdXO2ClTcs55Dn3w48LEh69tMHuhww95iT31JucqaJ38QUVPnhyphenhyphenDwWTLA0MRyANFJoAyiF-Y1XxdxkiWjF6alDl9Gb/s200/IMG_2337.jpg" title="" width="196" /></a></div>
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The color came out good. I like it really much! I also put 3 protective coatings, hoping the dome paint can last longer...<br />
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The inside is still empty, no electronics or mechanics for now. The <a href="https://rpi2d2.blogspot.com/2018/04/the-periscope-2.html">periscope</a> in the last photo is just put on a box inside the dome to make it visible.<br />
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Now I need to print and place 4 hinges for the openable top pies (4 of them), the two lift systems and put all of the electronics inside the dome.<br />
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Finally I already printed the two bottom rings that will be placed below the dome. They just need to be sanded, filled, painted...</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-90284088081867722362018-03-11T13:30:00.000+01:002018-03-16T13:37:17.131+01:00My 3D printer is broken<div style="text-align: justify;">
At last my printer died. After more than 3 years of incredible jobs I need to replace it as fixing the one I own would cost a bit too much.</div>
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It performed incredibly well considering that it was a cheap model. I hoped to make it last a bit longer, but that's ok, I can cope with this.</div>
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Now I had to stop printing, but my R2 droid is still ongoing. I have to complete the painting process and then I will have to attach all the panels and so on...</div>
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I am not in hurry to finish the droid, so it's not a big issue waiting for a new printer (in a couple of weeks it should arrive, then I will have to build it as it's a kit).</div>
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In the meanwhile I'm also going on with some piece of the software with good results. Now my RPi answers to me when I call him speaking in a microphone. It's nice to hear it's beeps and bops when I ask for it's attention!</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-65091419120143367832018-03-08T13:23:00.000+01:002018-03-16T13:29:04.647+01:00The dome - 2<div style="text-align: justify;">
After printing and gluing all the dome pieces it cames the tedious part. You need to remove the 3D printing artifacts and the defects to make the parts as smooth as possible and this could be a long lasting task...</div>
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First of all you need to make a coarse sanding preferably using a mouse sander as this is the heaviest part.</div>
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After most of the artifacts have been removed some of the biggest defects will probably need some putty to be fixed.</div>
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After the putty dried out it must be sanded. Now you can use finer grain for the sanding going from the 80 grit of the first one up to 240 or more at the end, to get e perfectly smooth surface.</div>
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When you are happy with the surface, it's time to think about the smaller defects. Too small to use the putty, but that can be still visible under certain light conditions.</div>
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For this you just need a good spray filler like the ones used for cars painting. After a couple of coverings you can look at your pieces and if you are non completely satisfied you can do some light sanding and repeat the filler coatings another 2-3 times.</div>
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This is my dome after the first two filler coatings:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA2GEk_F8R_FS4VoTfsF-OiHN-qEpPJhamewFLcc5rnOG4FTxY0MGDwJYG4TGnMFnRwqMfwQDoSFApZkHlSX2D2nSAp-yjbRVlMkT81D8F-5jVs990aeonfDSqR6NMMxitpGVsClapLY_q/s1600/IMG_2258.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA2GEk_F8R_FS4VoTfsF-OiHN-qEpPJhamewFLcc5rnOG4FTxY0MGDwJYG4TGnMFnRwqMfwQDoSFApZkHlSX2D2nSAp-yjbRVlMkT81D8F-5jVs990aeonfDSqR6NMMxitpGVsClapLY_q/s200/IMG_2258.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS4mkJr-hGfyA1_AvlSPNxVm2leqDLDNiRuJhk33xej_Sg0h0p_aJVaQZ_q0VXVpU5H0bBo5R-U0lq9etUaw_Uy7qCyV8S0hLwF0CBUYulEiDqzeQpgw9Cs3d5bRMWH2UMQtJqGzXSxoG1/s1600/IMG_2259.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhS4mkJr-hGfyA1_AvlSPNxVm2leqDLDNiRuJhk33xej_Sg0h0p_aJVaQZ_q0VXVpU5H0bBo5R-U0lq9etUaw_Uy7qCyV8S0hLwF0CBUYulEiDqzeQpgw9Cs3d5bRMWH2UMQtJqGzXSxoG1/s200/IMG_2259.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPSfDd2CBUsIBKe2CraBPHt81e8p0KzThVOcgdy2VZesYgQGu2PNL3L3Q6yVHHq6qkLL9OG9f4wVtcNGfheakcTtjSWfAFtboMYXMKuFkQuqKElb5_Ckpifo77Cul5r20Pl1Lu9JIe2gl2/s1600/IMG_2260.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPSfDd2CBUsIBKe2CraBPHt81e8p0KzThVOcgdy2VZesYgQGu2PNL3L3Q6yVHHq6qkLL9OG9f4wVtcNGfheakcTtjSWfAFtboMYXMKuFkQuqKElb5_Ckpifo77Cul5r20Pl1Lu9JIe2gl2/s200/IMG_2260.JPG" width="200" /></a></div>
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Far better than the photos in the <a href="https://rpi2d2.blogspot.com/2018/03/the-dome-1.html" target="_blank">first dome post</a>! After some more sanding/filler/sanding/filler and so on, I came to this result:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoEQcvlf_DeXvwtxCfpi68hmuiP75ld4H8RZ_kvpoN4ybJaBJiFw-gGo33sAJ3gf_J9d2-zuV8WybtARc4PM0BFPSjLqmiYWorFoG6gsBptUAhKNDS-pAyuJQkIMHvLr-6-zRzSSUx9lrQ/s1600/IMG_2267.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoEQcvlf_DeXvwtxCfpi68hmuiP75ld4H8RZ_kvpoN4ybJaBJiFw-gGo33sAJ3gf_J9d2-zuV8WybtARc4PM0BFPSjLqmiYWorFoG6gsBptUAhKNDS-pAyuJQkIMHvLr-6-zRzSSUx9lrQ/s200/IMG_2267.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidGxER5FeGJIq_mFYi-b9a6brLnRwPW4YXbeeh_c5pAEJVMSYTotrlzubhoXFqHaUGAGzBZI4eOAkhlAr_Zrsd8pxDKrjZyBdunWTUGHKhJKPRAL0ZiWIKzCoSHUtdbEzm18RCW9OabngF/s1600/IMG_2268.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidGxER5FeGJIq_mFYi-b9a6brLnRwPW4YXbeeh_c5pAEJVMSYTotrlzubhoXFqHaUGAGzBZI4eOAkhlAr_Zrsd8pxDKrjZyBdunWTUGHKhJKPRAL0ZiWIKzCoSHUtdbEzm18RCW9OabngF/s200/IMG_2268.JPG" width="200" /></a></div>
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I also applied a first coating for the blue pieces and the alluminum coating on the holoprojector. The pieces are still not glued as I will need to paint the dome using the same alluminum used for the projector and before the gluing I also wish to apply a protecting coating.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com2tag:blogger.com,1999:blog-428161287995686903.post-2494990052481756932018-03-02T12:20:00.000+01:002018-03-19T11:50:30.181+01:00The periscope - 1<div style="text-align: justify;">
This is another feature I wish to add to the R2 dome. In this case I found a <a href="https://www.thingiverse.com/thing:2517220" target="_blank">really good model</a> on Thingiverse, but I changed something anyway.</div>
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The biggest mod respect to the part found on Thingiverse is the top removal. This piece will be glued to a cover, so I see no need to print this also in the periscope. This way the model is also easier to print.</div>
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I am still at the very beginning for the periscope, but I already got an acceptable result.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJNBbVVz-trMWR1bnLSuIggR7mTURL3ijItxoTmmixmx15VZpl1W9QP8Bxx-Woj08hNivVLLfjRzWVBo1mLV90ClqUiSvCvYNLSgJmxm5vUwWTVYZ4K5au4fMd2joBwcwaa_thofRT1dRE/s1600/periscope1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="395" data-original-width="400" height="197" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJNBbVVz-trMWR1bnLSuIggR7mTURL3ijItxoTmmixmx15VZpl1W9QP8Bxx-Woj08hNivVLLfjRzWVBo1mLV90ClqUiSvCvYNLSgJmxm5vUwWTVYZ4K5au4fMd2joBwcwaa_thofRT1dRE/s200/periscope1.jpg" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEbx8oYIF8PTF5f9556LKWVwBLImN3yw38r-VNIpHiOcAt2VT5Bw6k7csbqny0y5p0II5SptKxXdJZzryRN6XKMAMsc-brS_sCqs4pIG1bPYrPClDBBDOtvWYeUcId6dSbtpxXcM2awTUU/s1600/periscope2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="400" data-original-width="233" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEbx8oYIF8PTF5f9556LKWVwBLImN3yw38r-VNIpHiOcAt2VT5Bw6k7csbqny0y5p0II5SptKxXdJZzryRN6XKMAMsc-brS_sCqs4pIG1bPYrPClDBBDOtvWYeUcId6dSbtpxXcM2awTUU/s200/periscope2.jpg" width="116" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMsXP4xgr1CRtv9bOWeyZpEL0ZelI4bh0nKH5w_s1FQcYNa73R8Frft9TuEZ1FTG6NEoLlhSxklc71CeDGsh9PymYNP0DtAcY3EONGNNigx2Zwamtkwbus57OJub8GOxlSH2eKD8JfZP3G/s1600/periscope3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="315" data-original-width="400" height="157" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMsXP4xgr1CRtv9bOWeyZpEL0ZelI4bh0nKH5w_s1FQcYNa73R8Frft9TuEZ1FTG6NEoLlhSxklc71CeDGsh9PymYNP0DtAcY3EONGNNigx2Zwamtkwbus57OJub8GOxlSH2eKD8JfZP3G/s200/periscope3.jpg" width="200" /></a></div>
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The support is not glued yet, so it's not perpendicular to the base. For the periscope, as for the life scanner, I will have to create a lift system.<br />
The best would be a lift that can be used by both, so I will need to design just one (and print 2 of course).</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-54820332808371634772018-02-18T12:58:00.000+01:002018-03-16T13:27:30.897+01:00The holoprojectors - 1<div style="text-align: justify;">
The holoprojectors are standard features of an Astromech. I kept the original design from mr Baddeley as it's of course perfect for his R2D2 dome design. The frontal one will also move for sure, but I'm still not sure if it's worth for the other two...</div>
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The frontal projector will also have another nice feature: a lighting system. Again I'm not sure if I will put the same lighting also in the other two projectors, but this could be done in the future.</div>
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This is a short video of the lighing system in action:</div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/rCtzolWliGY/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/rCtzolWliGY?feature=player_embedded" width="320"></iframe></div>
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On the front I put a lens (actually a cabochon used in costume jewelry). I found a size that fitted almost perfectly and makes the light effects much more interesting.</div>
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This is a photo of the board I made:</div>
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I designed it so that it can be put in the rear of the holoprojector without interfering with the movements.</div>
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I can have three different light modes: white, blue or flickering (actually full white with the blue led flickering). It also has the connections for the two servos needed to move the projector.</div>
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This is the scheme of the circuit if you are interested in building one by your own:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-LbM_RzuXIHafg_PKNn4hoxFvEoOopWwpjVzDKdJYZxq893sPibtYG-UcRyYT6iC-5NqnrYn4scBlRAPD-x8gBeBZ1a0JdJ9bswM7PRuDvOgYZJVz7auHJDDrGxSzQxOogQQlcYf3Oy2D/s1600/holoprojector.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="756" data-original-width="1059" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-LbM_RzuXIHafg_PKNn4hoxFvEoOopWwpjVzDKdJYZxq893sPibtYG-UcRyYT6iC-5NqnrYn4scBlRAPD-x8gBeBZ1a0JdJ9bswM7PRuDvOgYZJVz7auHJDDrGxSzQxOogQQlcYf3Oy2D/s320/holoprojector.png" width="320" /></a></div>
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Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-37167899653787845112018-02-17T12:34:00.000+01:002018-03-19T11:50:49.872+01:00The logic displays - 1<div style="text-align: justify;">
For the logic displays on the web you can find several solutions, but in the end you just need to use tons of leds. Unfortunately I hate soldering, so I wish to keep it at minimum.</div>
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I found a nice (for me) solution.</div>
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For the frontal, small displays I will use two small tft displays. These can emulate the classic leds panels of the robot, but they could also be used to show other kind of information or pictures.</div>
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I made a test with one display and I liked it quite a lot. Here you can see som photos and a short video of this test:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiB8CVttmgSKr4hxGzbM6zLD20pm_8qgmmmjc8SJaMh03rmZVADgtLtw43s1caqdG8TQF8loFrIfFogw8bkR-xBptwB5n18NuvMqKqW3Xhq2Su-gCgSHOGZEEM4AE1YQ4P91yn6vba8cbSh/s1600/light1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiB8CVttmgSKr4hxGzbM6zLD20pm_8qgmmmjc8SJaMh03rmZVADgtLtw43s1caqdG8TQF8loFrIfFogw8bkR-xBptwB5n18NuvMqKqW3Xhq2Su-gCgSHOGZEEM4AE1YQ4P91yn6vba8cbSh/s200/light1.jpg" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2bhXN9nBI-SRtafZGftDWeAmbCl8hUZ2Vkbas4_AN2s8fRohg6I2UYlYrdFur-8JZ8bwP7fJHoMztbEAWhDti4WkeVsoyYs8WOzvWKKb6u9zZlZKykPH2IoF4iUrviQpJrI50XaHSIila/s1600/light2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2bhXN9nBI-SRtafZGftDWeAmbCl8hUZ2Vkbas4_AN2s8fRohg6I2UYlYrdFur-8JZ8bwP7fJHoMztbEAWhDti4WkeVsoyYs8WOzvWKKb6u9zZlZKykPH2IoF4iUrviQpJrI50XaHSIila/s200/light2.jpg" width="200" /></a></div>
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The final version will have two displays and a smaller controller (I think I will use a Raspberry Pi Zero).<br />
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Here you can see the two displays mounted in place inside the frames:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmaHDXjy_8_huyTj1mz70JZSCIfI0AuqHqHLJkvr8FuVoX2QeqcbO8zq2xf0e1uUifccSd30bhi9DIoUZx7ecRiHKqiLIfmt2x_eFLHv3egxJGH8ytDZ5suAXpngKy3GHP16OFYdHaku09/s1600/logic.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmaHDXjy_8_huyTj1mz70JZSCIfI0AuqHqHLJkvr8FuVoX2QeqcbO8zq2xf0e1uUifccSd30bhi9DIoUZx7ecRiHKqiLIfmt2x_eFLHv3egxJGH8ytDZ5suAXpngKy3GHP16OFYdHaku09/s320/logic.jpg" width="320" /></a></div>
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I had to modify the two frames a bit and as usual I will release them soon if you wish to download and use them.<br />
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The rear big display is a different thing. It's too big to find a TFT or LCD that can be adapted, so I opted for a really different approach.<br />
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As I am not going to really use this back display, I printed the leds color scheme on transparent sheets and then I will light them from the back using a bunch of white leds. The only action I could do will be turning the light on or off, but it will be enough for me.<br />
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I will put some photo in the second part when ready...</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-5426405118484413012018-01-21T12:10:00.000+01:002018-03-16T13:26:24.795+01:00The life scanner - 1<div style="text-align: justify;">
One of the features I want to add to my R2 unit is the life scanner. I found several models on the internet, but none of them satisfied me, even if they are really beautiful, so I just designed one by myself...</div>
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My model is quite like the one seen in ep.IV, just a bit less detailed. When it will be finished and I'm sure that the model is good enough I will put it on <a href="https://www.thingiverse.com/" target="_blank">Thingiverse</a> so it can be freely downloaded by everyone.</div>
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This is a first print trial:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit-Cfra8rIr5hpYKHqrT4OsDoAdXULvFBl1Qnr1W3NYC3su-BYlq1qo4brqIv6aU7b3xCO30ovBTx90XyOQuTHYQvxPHVSls-jEsdHXWtkG39_PgBDHBwy3odBG7uI2SryvBPZVZmJPh9-/s1600/life0.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit-Cfra8rIr5hpYKHqrT4OsDoAdXULvFBl1Qnr1W3NYC3su-BYlq1qo4brqIv6aU7b3xCO30ovBTx90XyOQuTHYQvxPHVSls-jEsdHXWtkG39_PgBDHBwy3odBG7uI2SryvBPZVZmJPh9-/s200/life0.jpg" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhtXX3_0eHKLl5z5pwnIex0zf9_fzJ7D8titz_fCDVFyqmW20fLo6y9UYa6n8lfb0rFktguqKpyQeK77Zf1YEN-1hyphenhyphenpy4XIFOxoZlF6zDLhc5FTyEXp9lsOIDNI6bED_ikF8HEIOQQ2-XO/s1600/life1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhtXX3_0eHKLl5z5pwnIex0zf9_fzJ7D8titz_fCDVFyqmW20fLo6y9UYa6n8lfb0rFktguqKpyQeK77Zf1YEN-1hyphenhyphenpy4XIFOxoZlF6zDLhc5FTyEXp9lsOIDNI6bED_ikF8HEIOQQ2-XO/s200/life1.jpg" width="200" /></a></div>
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Nice, but I had to change something in the design to make it easier the parts connection. Let's see the size compared to the dome:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoLn7-5i3d51JRIUW_6-zZXSMFY8UEFeYtay7dZKlyLBatG1WAdpc3dRkZUC1edNpifxUSIWRsOjSqlxkwJdklBacIOmwWDs5-cSkjA7XQG2xXDW5qIzSOTw4GaHiY9um_nSH29wAPeYhj/s1600/life2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoLn7-5i3d51JRIUW_6-zZXSMFY8UEFeYtay7dZKlyLBatG1WAdpc3dRkZUC1edNpifxUSIWRsOjSqlxkwJdklBacIOmwWDs5-cSkjA7XQG2xXDW5qIzSOTw4GaHiY9um_nSH29wAPeYhj/s320/life2.jpg" width="320" /></a></div>
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Note that the dome is still unfinished as all the lower part is missing. Anyway here you can see that the antenna size is quite good, so I'm on the right way.<br />
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When the model will be completed I will also have to create a lift system to make it move.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-53615997851999906072018-01-10T11:51:00.000+01:002018-03-19T11:27:44.841+01:00The dome - 1<div style="text-align: justify;">
The "easiest" part to print of this R2D2 is the dome. It's made up of several pieces that must be printed, glued together, sanded and painted. As I wrote in the introduction, there is a long post produtcion work to do if you want a good loking Astromech...</div>
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Started with the top part, with good result, but it's only the beginning...</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeZsgodrk95zS5C3wnTcqH-o5go3bHgBZLpDqBJsYvmmCEKol5C6z6gQTzkDwFajuVwFyjWAbbTwV23-GAjs-M85T9u28LqCt-3Xa4L8LryqCjIGv3gymNk_r03BN23wov-rjyR2ht1Kug/s1600/upperdome.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeZsgodrk95zS5C3wnTcqH-o5go3bHgBZLpDqBJsYvmmCEKol5C6z6gQTzkDwFajuVwFyjWAbbTwV23-GAjs-M85T9u28LqCt-3Xa4L8LryqCjIGv3gymNk_r03BN23wov-rjyR2ht1Kug/s320/upperdome.jpg" width="320" /></a></div>
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As you can see, the surface is not perfect, but this will be fixed after the dome is complete.</div>
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Next I went on printing the rest of the dome, but with some odd result.</div>
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I am printing this droid using almost only ABS, the same material used in Lego pieces. It's a good material, but it warps easily when printing, so you may have a printed piece that does not match with other and can also contains cracks like this:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4n1as1qaERtrpYtTXKTfAICzO__iMynmooL5RFUmQ0jLaEXuzR-La_w4GFN2mS-gWyJDuCl0CpFoStyGyrfdp4s5wpoC5b_hwJ75eZIJ_G5u5VWwZfMqjb7sN2qTJCbP_I0vzvGUf6EXn/s1600/error.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4n1as1qaERtrpYtTXKTfAICzO__iMynmooL5RFUmQ0jLaEXuzR-La_w4GFN2mS-gWyJDuCl0CpFoStyGyrfdp4s5wpoC5b_hwJ75eZIJ_G5u5VWwZfMqjb7sN2qTJCbP_I0vzvGUf6EXn/s320/error.jpg" width="320" /></a></div>
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To reduce these issues I had to split the bigger parts into two smaller pieces. More printings and more joints, but in the end I got something good.</div>
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Here some photos of the progress in building the dome:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVaYEvgIaDGE96txZfri7Zns5-ztn3QZ06qbuZgL7v7j6a3H_42YVjcYKnFMjcZyX8uhy0JE8BUVBk5ho98QlL3WsB6PfV3HSldx7FRPMrdPMyexc97pZPT4af47pCf5pa_MXZRvxz9Tdj/s1600/halfdome0.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVaYEvgIaDGE96txZfri7Zns5-ztn3QZ06qbuZgL7v7j6a3H_42YVjcYKnFMjcZyX8uhy0JE8BUVBk5ho98QlL3WsB6PfV3HSldx7FRPMrdPMyexc97pZPT4af47pCf5pa_MXZRvxz9Tdj/s200/halfdome0.jpg" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgK3C79gMDIA8W7AaKoAy-F5WvkMuNzpbOdeR5YglcbsK-tPV_2Le4XNkMzcztdm1EpcyoKpESra-9OcvTD4nUS_8sjYbpe9xxKgF-GLB9zNFoQ5IWjaEHZ9niiQtkVyXtCI-MItoS-VUV_/s1600/halfdome2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgK3C79gMDIA8W7AaKoAy-F5WvkMuNzpbOdeR5YglcbsK-tPV_2Le4XNkMzcztdm1EpcyoKpESra-9OcvTD4nUS_8sjYbpe9xxKgF-GLB9zNFoQ5IWjaEHZ9niiQtkVyXtCI-MItoS-VUV_/s200/halfdome2.jpg" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzIQVsRC0NtcpMYAbHuyOEZlY1HQWu2aqmiuyu9zEpL-tct2PL7WG7zWzXxngUqOHhcWXJ7sMYNWmEn0rebLB2IWurg7Ib0_7XudU12X1Vi0tD0ZCsJHNNvENJSr0HFQXNzHQvUCQ7vX5E/s1600/dome1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzIQVsRC0NtcpMYAbHuyOEZlY1HQWu2aqmiuyu9zEpL-tct2PL7WG7zWzXxngUqOHhcWXJ7sMYNWmEn0rebLB2IWurg7Ib0_7XudU12X1Vi0tD0ZCsJHNNvENJSr0HFQXNzHQvUCQ7vX5E/s200/dome1.jpg" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW7VOYLAsBeb5BxG_MOYZJGsxAIVkVL2P_G5UJB-qo8lTJ5t1qp2NWcg7zlboAF4UUiHfKtyv_KyookmgqdxOgTg6JxlBn4xQsfO8qnCM7f0RocLUO2CjsFuV5W-sLx6u8VqYf4YoFIyF0/s1600/dome2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="300" data-original-width="400" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW7VOYLAsBeb5BxG_MOYZJGsxAIVkVL2P_G5UJB-qo8lTJ5t1qp2NWcg7zlboAF4UUiHfKtyv_KyookmgqdxOgTg6JxlBn4xQsfO8qnCM7f0RocLUO2CjsFuV5W-sLx6u8VqYf4YoFIyF0/s200/dome2.jpg" width="200" /></a></div>
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You can see that I used several different colors. This is not a problem as after the sanding process I will paint everyting. This way I can just use the available filaments without worrying about the color.<br />
In the last two photos, the panels are kept in place by using adhesive tape as the must be painted separately from the dome.</div>
Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0tag:blogger.com,1999:blog-428161287995686903.post-5326781769276535192018-01-01T10:58:00.000+01:002018-03-16T13:24:45.398+01:00Intro<div style="text-align: justify;">
Since the first Star Wars movie in 1977, when I was a child, one of my dreams was to built and Astromech. For years this was just a dream, even if I followed several times the progresses of other people on the web, particularly from the <a href="http://astromech.net/" target="_blank">R2 Builders Club</a>.</div>
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Unfortunately, the parts weren't easily found, at least in Italy, so I always posponed my intents to build this robot...</div>
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In 2014 I bought my 3D printer (another of my dreams) and it was a great purchase. With a 3D printer what you can create is limited just by your fantasy, but I never thought about using it to print a droid, until now!</div>
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Few months ago I found mr <a href="https://www.patreon.com/mrbaddeley" target="_blank">Michael Baddeley</a> and his incredible work. He created all the parts to 3D print a full scale R2D2 with an high level of detail. Of course you need a lot of post processing work to make it really nice, but it worth the job.</div>
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Now there is also a community about 3D printing R2D2: <a href="https://www.3dprinteddroids.net/" target="_blank">3D Printer Droids</a>.</div>
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I decided to make a blog to show my progress in building an Astromech, but please note that it will probably be a LONG work.</div>
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One small note about the blog name... As I am working a lot with Raspberry Pi boards, I decided to use them to control my robot at the end, so instead of an R2D2 I will have an R(pi)2D2. Sorry for the pun!</div>
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Hope you will enjoy looking at my progresses as much as I will enjoy this adventure!</div>
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Mascalhttp://www.blogger.com/profile/15501943190321068629noreply@blogger.com0