xiaomi Yi4k support for CL1 drone frame

§§§ This is the 3rd version with reinforced bottom pad who broke ate each crash, modification of the lens protector to be out of the field of view

This is a mounting for the Yi 4k action camera, originally designed for a rotor riot CL1 drone frame, but it should fit on most of 5" frame or above.

It has a 25° angle, i will provide some other angle design in the future.

There is a 1 mm clearance for a damping surface (foam, leather...)

To close the box, just use some straps on the sid