jgaurora a5 z coupler
thingiverse
My jgaurora a5 arrived with the z couplers broken. Made this work so I could start using the printer. After several days of continuous printing it looks like it can be a permanent fix. The original 8mm nut was to large to fit through the stepper motor mount. Made it round so it will just fit through the hole. It can still be tightened by holding it with pliers. Put a hex on the center piece so each nut can be tightened or loosened separately. Added a flat spot on the 5mm side to keep the stepper motor shaft from spinning.
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