A simple thread reducer from the common 3/8-16 threads found on microphone mounts to 1/4-20 used by many other devices such as ring lights and webcams.

Both threads should easily screw in, but be wary of shearing off the 1/4" thread when adjusting devices.

If you want to purchase a metal one that doesn't have the issue of shearing apart, see SmallRig's. You can also purchase cheaper generic ones on eBay.

No

No

0.12 mm

100%

100% infill is critical to improve the shear resistance of the 1/4" thread