C-Clamp with GoPro Mount

This C-Clamp was designed in Fusion 360 to allow mounting different adapters to the top of it.
For example a GoPro to a table or cabin. The clamp can fit desks up to 4.5 cm.

Please print it like displayed in the first picture / in the STLs displayed. You don't need support for the threads.
The threads are Fusion 360 threads sized M20x2.5 if you want to add your own designs.