This thing is a box to enclose the mini camera fpv Boscam.
There is two parts for the cam, just glued together.
The third part is a support witch can be taped to the model or screwed.
A peace of aluminum , copper or iron joint those two parts . It's soft enought to change easily the orientation of the cam.

I printed mine with ABS, but no problem with pla. 40% infill