Customizable nema 17 stepper motor spacer
thingiverse
This is a straightforward modification to space the stepper motor correctly for the pulleys of the small X,Y belts on an Ultimaker (revised UMO+). The belts were consistently rubbing against the plywood and there was no way to properly align them with the pulleys. I printed these in PET so they could withstand the maximum stepper motor temperatures, a crucial factor. Do not print them in PLA under any circumstances! The standard spacing is 15mm but users can easily change it with the customizer, along with other useful variables.
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