Piper 2 Alternative Endstops Mount (standstill on the gantry)

I designed this part for my Piper 2 because I really do not like having wires on moving parts when I can avoid it. This part brings the endstop switches on the non-moving parts of the gantry, right next to one of the motors, so their wires can also be routed along with the wires of the motor.

Note that for this part to work, firmware modifications are necessary (or your X gantry will be crashing on the Y gantry!).

In Marlin, configuration_adv.h, the following options need to be enabled: