fischertechnik round spring cam (Federnocke rund)

Update Dec 6, 2021: added improved version v2. Print this with PLA as hot as possible (I used 235°) with as little cooling as possible, no overextrusion, and you will get a very stable and usable result.

A version of the conventional fischertechnik spring cam (Federnocke) with a round knob for non perpendicular connections.

(now obsolete, see update)Be aware that the knob will break off quite easily. Use a bit of overextrusion (110%) to get a slightly more reliable print. Alternatively, try printing in an upward position with support.

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