Hotshoe adapter

Hotshoe adapter with ring to clamp down on your camera. The top has a 10.0mm x 10.0mm hole for locating and keeping orientation as well as a hole for an M3 machine screw. Recommend tolerances for other part is 10.1mm square, and a 3.1mm centered hole to accept the screw. Or use a heated threaded insert, whatever you prefer.