Nema 17 Angled Motor Spacers

When using stepper motor dampers, the motor shaft and pulley gets pulled out of alignment as your tighten the belt for that axis. These spacers are designed to be thicker on one side and offset the angle so that the motor comes back to the proper alignment. It can be placed between the motor and the damper, or between the damper and the frame. In some cases, like the X axis on the Ender 3 and Ender 3 Pro, the screw lengths require the spacer to go in between the motor and damper (otherwise th