Prusa I3 adjustable Z Endstop by JSuzineau

I made it for a Prusa I3 from eMotion Tech bought in december 2013.
Maybe the hole for the M4 nut in Support_Z_Endstop.scad / Support_Z_Endstop.stl is a bit too much tight, I needed to use a vice an a second nut to push the M4 nut in place.