I don't know why there isn't threads on the mount to fit a standard tripod mount. I designed this real quick to allow me to mount my PS4 camera to a standard boom arm fitting.

I printed in PETG but it should be fine in PLA. Use 4-5 walls as the hole is not threaded. As long as you use a metal screw, it should bite right into the plastic. You may be able to use heat inserts as well, but I haven't tested it.

I printed it flat, because i always have trouble with holes on the side, but you may be able to save on some support material if you print it sideways.