Z-Zero Plate for CNC

by Thingiverse
Add alligator clips to the touch plate and another wire to the tool, and set up Mach3 to auto zero. Three springs help avoid damage to the tool.
You will need:
The 2 printed parts
3-2" x 1/4" springs
3-5mm x 30mm hex head screws
3-Percision shims
1-2" Fender washer
Two part epoxy
Alligator clips and wire.