
Foam Wheel hub 3mm
thingiverse
This is a hub for attaching a foam wheel like the fingertech wheels to a 3mm D shaft. I've used it in my 150gram robot "Cheugy" and my 1lb robots "Group Think" and "Dizzy". You will also need an m3 nut and set screw. Melt the m3 nut into the slot on the side, then clean out the screw hole and thread in the set screw. A socket head screw would likely work also, but I haven't tried it.
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