m-Bitbeam Mecanum Wheels
thingiverse
Two sizes of mecanum wheel for m-Bitbeam construction kit. left and right cover are same, but be sure both of them have same direction (see arrow) i add wheels between covers, bb-wh-3 for bb-mecanum-7 and bb-wh-5 for mecanum-9 for each size rollers exists - there have little points of top side 7 and 9 i use M3x25 screws, longer smooth part is better For typical car, you need 4 wheels, but 2 must be mirrored in X axis! You can easy do in Slicer. This things are part of m-Bitbeam library, see https://catalog.m-bitbeam.org/ for more information.
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