Jaw mechanism for InMoov

by Gael_Langevin, published

Jaw mechanism for InMoov by Gael_Langevin Mar 8, 2013


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Here is "InMoov", the robot you can print and animate. You have a 3D printer, some building skills, This project is for you!!

This is the Jaw mechanism.

Blog where you will find all the instructions about InMoov's project:


Some videos:




Last of all:



Full tutorial on www.InMoov.fr
Print one of each STL.
No support needed, the "JawV3", might have a bit of overhang on the inside.
"JawV3" have pre-support added to be removed after printing.
Print most parts with a 0.5 layer thickness, best with no raft, 30% infill.
Print JawHingeV1 and JawpistonV1 with a 0.25 layer thickness, full infill.

This jaw mechanism is to be assembled with this:

You will find the assembly step by step here:

Update 10/03/13 I have modified a little bit the pre-support of "JawV2" to "JawV3". This will ease to remove it from the printed part.
Modified also "JawHolderV1" to JawHolderV2" this allows easy mounting on "FaceHolderV3" (neck assembly)
Update 18/1013 I resurfaced Jaw to get a less faceted mesh. JawV3 to Jaw V4.

Update 31/03/15 modified JawHingeV1 to avoid open mouth issue.
Update 04/12/15 modified JawHingeV3 to avoid breaking issues.

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Very nice attention to detail with the jawhinge v2 to v3 refinement! Made a world of difference! Keep up the great work!

Amazing project and currently printing, whats with Jawv4 and the mouth part? I think the bit cut out should be solid, was it in v3? Can I get v3 files?

Dude, I am following your project for a long time. I don't think it's just a humanoid robot... It's a masterpiece and this is closer to art than to engineering!

Seems like u make the ghost in the shell can be possible in our living room, thanks for your kindy sharing.

I'm having an issue with th lower jaw when I go to print it, it prints everything but the blocks with the screw holes to fasten the jaw hinges to, anyone else have this issue?

Hi. Please, Please ,Please email me the stl files on the foot working or not doesn't matter, i need to play and the chest cover please. If you have more please. thanks Adolph. [email protected] And if it is possible , exactly what control board do you use. Arduino and the 16 servo driver ?.

Hi, I should be posting new parts soon. I need to keep you impatient!!