How to mount a 3d print to a motor axis? - eviltoast

I want to mount a printed part to a standard 2mm motor axis which doesn’t have any dents or profile. Its just round. If I print at exactly 2mm, it fits for the first few times until it gets too lose and the spinning part sometimes falls off.

  • zinge@lemmy.world
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    3 months ago

    Sand a flat to create a D profile and then use a shaft collar and set screw