Parametric Shaft Coupling 5mm - 5mm / M3 fasteners
thingiverse
I am using this presently to couple my Nema 17 motors to M5 threaded rod. In my experience these are more reliable then the flexbile i3 couplings. Customized version of http://www.thingiverse.com/thing:15633 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=15633 Instructions Using the following options: offset = 2 thickness = 4 washer = 0 wall = 1.6 bridge = 0.3 nut = 5.51 trap = 2.3 boltHead = 5.5 length = 30 shaft2 = 5 shaft1 = 5 boltShaft = 3 gap = 0.3
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