universal joint thingy emulating two rolling spheres
Description
I saw this video where an interesting robot wrist mechanism was shown. I designed the base mechanism in Fusion 360, then 3d printed the parts in PLA plastic, I used 1.75 mm filament rivets for the joint shafts, I made them flat with a soldering iron(on ~150 C°) covered in kapton tape, so this way the filament won't stick.
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