Micro Adjustable Bare Wire Z End Stop

This is a micro-adjustable bare-wire end stop for reprap printers (or any other machine that could use it). You can also just glue a switch to the top of it if you don't like the bare wire idea.

It attaches to the Prusa end stop holder, and is assembled with a spring, M3-30 screw, nut, and washer. A twisted pair set from an old network cable is exposed atop an adjustable surface and makes contact with another bare wire on the X end.

This endstop is ridiculously inexpensive, and it allows