DJI Phantom FC40 and Wlakera plastic gimbal reduction
Because of plastic Walkera gimbal doesn't fit so much together - you must glue it or hangs on one stud. I made adapter between them. It's easy to join them by bolt and nut or even without nut in "hard sealed" version.
baseDJI.stl - prepared for NUT
baseDJI_hard_sealed.stl - for self-tapping screws
baseDJI_hard_sealed_thread.stl - there is M3 thread for screw
Edit: adapter for GoPro holders - http://www.thingiverse.com/thing:735694
Gimbal holder for FC40 camera - http://www.thingiverse.com/thing:772628