Shapeoko Spindle Z Probe

This a spindle z probe that I made for my shapeoko 2 with DC spindle.
The basic idea behind it is to allow easier levelling.

I use grbl 0.9 and bCNC.
bCNC supports z probe with G38.2 and can calculate autolevelling.
Originally I was using the spindle with a end mill in it and a piece of aluminium touch probe to do levelling but I grew tired of moving the aluminium around to check 16+ points in the auto levelling scan run by bCNC.

I looked at 3d printers and what people had done with au