X&Y Endstops for Piper 2

* Update* 8/17/2018 - As Alex Balako has pointed out, dragging the endstop over the rail over time may cause issues. Going to redesign to mount to the Y gantry instead to avoid the issue.

*Update* Redesigned to fit on the Y gantry. I am using 2mm Hex Socket Head screws. There is an access hole to fit an allen wrench through to assist in tightening the screws before mounting to the gantry.

Designed for #6-32 Screws and nuts where the part fastens to the X and Y gantries. Hardware to mount endstops is 2mm. Use 1" #6-32 Screws to mount. Anything longer will not fit the part.

Designed for X_MAX and Y_MAX endstop positions. The Y endstop hits the little disc that gets mounted to the far right corner (a slight alteration from Alex's original design).

This should also work with the metric version, please let me know if it does not and I will post another part.

Thanks Alex Balako, for sharing the Piper 2!