Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4310871.

Replaces MillRight Mega V Z limit switch assembly. Standard roller switch mounting holes. Adjusts up and down to contact the top of the Z plate. Uses 3mm screws.

I used this switch on my build: https://www.amazon.com/gp/product/B07CGZBRPC