I only use the top screw mount, friction is enough, and you can adjust camera angle that way.
M3 hex nuts will work (see original model from @Krhom!), but you might have to hold them in place with pliers when installing, but I didn't have to.
Check out @Krhom!
Note: I did not test this mount with the Avatar Pro V2 camera, but I have one, and I am 99% sure the camera mount and dimensions are the same as the Walksnail Moonlight camera.
CDaemon
