The file 'Xiaomi Yi Lens Protector With Strap Holes 3D Printer Model' is (stl) file type, size is 9.8KB.
Lens Protector for the Xaiomi Yi. I believe it should work for the GoPro as well if anyone wants to test it and let me know in the comments. The strap hooks are to hold the camera down to a mount.
lens_protectorLG.stl | 116.6KB |