Raspberry Pi camera mount adapter

I bought a detached case for my Raspberry Pi V2 camera. This one: https://smile.amazon.com/gp/product/B00IJZJKK4/ and wanted to mount it on a CamRah tripod. This one: http://camrah.com/collections/frontpage/products/pro-series-flexible-tripod-with-jaws-phone-holder-and-bonus-bluetooth-shutter-remote

So I designed these in OpenSCAD.

The first mounts directly to the 1/4-20 tripod mounting screw using a square 1/4-20 nut. I used Bondic to secure my nut inside the mount adapter. Because my nut