Tripod adapter 1/4-20 to 3/8" thread

This can be used to mount a 3/8" camera onto the more common 1/4-20 UNC tripod thread.

Alternatively, you can use it as a way to get a high quality 1/4-20 thread into a model printed at lower resolution, or printed with the thread on its side.

I've made three versions, one with a circular flange with a coin slot, one with a 16mm hex flange, and an embedded one with a screwdriver slot. The embedded one sits right inside the 3/8 thread. Each one is available with two tolerances for the 3/8 t