Wedges for rounding motor shafts with Z couplers
thingiverse
This is used to reduce a lot of wobble with Nophead's Z couplers if you have flats on your motor shafts. Despite the low print accuracy because these parts are so tiny, I reduced the wobble from awful to almost perfect. The provided STL is for a motor shaft of 5mm diameter with a flat diameter of 4.5mm. Instructions Print at the lowest layer height possible. Insert between the motor shaft and flexible tubing.
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