some updates

A project log for R8-D8 - a distant relative of R2-D2

a 12cm radius, 3d printed R2-D2 with some motors, servos and blinky stuff that follows lines, persons or just drives around via bluetooth

davedarkodavedarko 02/02/2015 at 15:0411 Comments

The latest project picture shows the new parts I've printed in yellow - the motor mount parts and the shoulder parts. Now that the motors are almost fixed, I'm so close to making a test drive, but the shoulders aren't fixed to the body yet so the legs twist themselves out. I have to wait for the 40mm M3 bolts. The middle leg needs to be designed and I want to have a basic bluetooth / arduino / L293D controller setup done, too.

So stores pictures that were "deleted" - I "smell" a shitstorm coming up any day soon.


Albert Latham wrote 02/02/2015 at 16:51 point

Looking awesome, man! Seeing you do this up made me think that it would be possible to build a life-size R2-D2 that had useful functionality. :)

As for storing deleted images: thats how WordPress works, unless I miss my guess. It would take some finagling to make that feature go away, especially because there's so many hidden places images can go in the software framework.

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davedarko wrote 02/02/2015 at 17:06 point

Thanks! I was inspired by James Bruton and his 3D printed R2 to finally start with this - but I designed all the parts (except for the LEGO wheels) myself and try to get some features right that are very recognizable (the bowl helps too :D ). If you haven't seen James's videos yet, he's doing some awesome stuff with 3d printing. Once you're done with your 3D printer you could print your parts in one go ;)

Actually, I don't care about those pictures so much - I worked on something similar once and didn't include an automatic deletion as well. But those guys from the blog comments section can get annoying sometimes...

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Albert Latham wrote 02/02/2015 at 17:14 point

I'm excited to see where you go with yours. What about a tiny projector in the eye? I think they make them small enough?

I suppose I could print in one go. :D It seems to me that I could print
female molds and poor epoxy or similar parts for multiple runs?

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davedarko wrote 02/02/2015 at 17:25 point

Make sure to follow this one :) I though about a little LED light behind a display or a servo rotating small slides in front of it. I could later add a raspberry pi and do some voice recognition stuff, too. There are so many things I could add, that I hope I have enough space with this 12cm setup - but there are 20cm, 28cm and 36cm bowls at IKEA once this is done ;)

You want to have a silicone like material for your female molds, otherwise you can't release the epoxy later.

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Albert Latham wrote 02/02/2015 at 17:29 point

Voice recognition would be pretty sweet. Imagine you could tie that into home automation, take calls, send texts. Move over Siri and Google, R8's got this!

Good point on the silicone. So it would go like this, then: 1) male master plug, 2) silicone female mold, 3) short run of epoxy parts.

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davedarko wrote 02/02/2015 at 22:36 point

Would be nice, yes! But that's something for Dave of 2016, right now I have to make R8 drive around via remote control.

Sounds about right, but I've never done that myself. Sounds like your printer is almost ready to print?

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Albert Latham wrote 02/02/2015 at 22:38 point

My printer is not even close to ready to go, unfortunately.

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davedarko wrote 02/02/2015 at 22:41 point

So Albert 2016 has to do all the hard molding work, I guess ;)

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Albert Latham wrote 02/03/2015 at 14:52 point

That's how it appears. :)

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PointyOintment wrote 02/03/2015 at 23:31 point is based on WordPress, but isn't.

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Albert Latham wrote 02/05/2015 at 06:14 point

Ah, good call!

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