Dovetail Slide Stepper
thingiverse
the remixed version is not using the replaceable insert. printed at 0.24 , had some issues with the fit being too tight, and the screw stepper motor being small, base2 and screw2 should fix them base3 and screw3 are the more updated files that work. old ones are for design reference fits together smoothly ,the screw takes a bit of working back and forth + filing to smooth out the bumps to get it going smooth. https://github.com/tecan/Arduino-Projects/blob/master/un2003-stepper-multiaxis/un2003-stepper-multiaxis.ino 2 of these can be stacked ontop of eachother for 2 axis, could make a 50 dollar 3d printer if you can figure out how to add heatsinks to the stepper motors and get the voltage + amps just right. giving roughly 2 inch by 2 inch print surface
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