Mecanum wheel

thingiverse

## Parts/Wheel: * 7 pcs M5 threaded rod (length?) * 7 pcs 3D printed rollers `mw_r.stl` * 14 pcs MR105ZZ-ball-bearing * * 2 pcs M3 screw (length?) * 1 pcs M4 screw (length?) * 1 pcs 4mm Shaft Motor Coupling * 1 pcs 3D printed inner wheel `mw_ia.stl` or `mw_ib.stl` * 1 pcs 3D printed outer wheel `mw_oa.stl` or `mw_ob.stl` ## Construction Use a saw to cut a slot on the M5 threaded rod for a flat-blade screwdriver. Attach the roller before tightening the inner and outer wheel together. Attach the M5 threaded rod in the last step in star order. Ball bearing: https://www.aliexpress.com/item/50Pcs-High-quality-MR105ZZ-ball-bearing-5x10x4-deep-groove-ball-bearing-free-shipping/32500954842.html?spm=a2g0s.9042311.0.0.12134c4dNCDPg3 Shaft Motor Coupling: https://www.aliexpress.com/item/2x-3mm-4mm-Shaft-Motor-Flexible-Coupling-Tyre-Wheel-Brass-Hex-Coupler-Set-wrench/32222488478.html?spm=a2g0s.9042311.0.0.27424c4dMGXZOU