I've designed this to have a GoPro Session mount capable of supporting multiple fpv racing quadcopter at the same time.
Similar designs, such as the one you can buy from CreativeDex are ok, but not capable of mounting on all the quads and also you have to push out from the mount your camera everytime you want to fly with another quad.
With this mount the camera is always protected by its case.
If you have a drone with angled mount for your GoPro, such as Lumenier QAV-X, you can just print the case, if you have a flat top drone such as Lumenier QAV210 or any other, you can print both the case and the base.
it's modular and you can use it everywhere.
It's designed to be printed with TPU, I've used Hobbyking flexible filament and the print was amazing.
UPDATE: new STLs with right orientation. Sorry, but Fusion 360 sometimes makes me crazy...
I've created new bases with different angles: 25°, 35° and 45°. The new version should be more solid even if it can flex a bit. I've decided to do this to remove some jello and vibrations. Additionally, now the base has a pin that goes into the cam case base and prevent the cam slipping to sides, so be sure to print the case v2 with the new bases or cut an hole in the old one yourself. Also, added 0.5mm on the base height, to let the zip ties catch the base better.
Feel free to comment with your suggestions!!!
UPDATE V2 FIXES + V2 Bases without center pin:
I've fixed a bit the 45° and 35° bases, adding half millimeter in the flat angled base thicknes, where the gopro case sits.
I've added also flat bases without the center pin, as requested by @RyanTLX
UPDATE V3 - Stronger bases for less jello and a new 30° mount
I've been contacted by some users, they said that in some cases there's still a bit of jello, so I've added a new reinforcement on all the bases, except the 45° because it's not needed.
Additionally I've added a new 30° base as requested by @rnalias