Paul asked if NEMA14 steppers could be used in a μRepRap. Well, I guess. 80:1 mechanical advantage will do a lot if your motor hasn't got much torque. So I've split the PIKA version of the Axis Driver away from the MAUS version, tidied it a bit, and made the screw holes into slots that should take NEMA14 or NEMA17:
The motor shaft and boss are (I think) the same size on both, and the slots should self-centre the motor. As this is gloriously untested there are no STLs, but you can download and build from here
https://github.com/VikOlliver/RepRapMicron/blob/main/pika/pika_axis_driver.scad
Let me know how it goes.
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