X & Y Endstop Holders for Folger Tech RepRap 2020 Prusa i3

The X & Y Endstop Holders for the Folger Tech RepRap 2020 Prusa i3 Full Aluminum 3D Printer were driving me nuts by sliding when they were repeatedly banged during normal operation.
So I added a bit of a protrusion to keep them in place
22mm on the Y axis stop
12mm on the X axis stop plus a 4 mm bit to keep it from drooping down, as mine did.