About this 3D model

This is designed for use with the waterproof case of the cam. Combined this from two other things:http://www.thingiverse.com/thing:31958andhttp://www.thingiverse.com/thing:829847 added the knob from http://www.thingiverse.com/thing:31958andyou should also print this bolt or use a metal bolt in the right size and length :)http://www.thingiverse.com/thing:868984