whitworth female 1/4"

1/4 "female withworth female thread for goPro use, this is useful for your models to be able to add this fastening insert and screw it with the typical screw of the photography tripods, there is another thread that is wider, measure the screw first If it does not match this measurement, the screw for which srive measures 6.12mm.

Freecad file is attached if you need to be longer, or wider your adapter.