Nema-17 motor mounts

These are left and right handed Nema-17 motor mounts for the Z-axis motors of a TubularBot 3D printer. Could also be used in a Prusa i3. They were designed so they can be screwed into a frame either from the back or the side. Matching holes on the far side allow a screw driver to be inserted for driving the binding screws into a frame.