An Adapter for the Logitec Pro 9000 Webcam to put it on a standard tripod with 1/4" screw.
The nut is also printable and can be glued in the hexagonal hole in the bottom of the Adapter.

The adapter can be printed in medium resolution on a Replicator 2.
The nut in high resolution. The nut fits with a little force on a 1/4" screw.