Frame Specs :
Props and frame out of view (to be checked on the 4" arms, fine for the others sizes).
ND filter suport for the O3 camera
3.5" or 4" inch separate arms.
9x9 and 12x12 motor mounts.
Dual 25.5x25.5 and 20x20 electronic mounts.
Camera plates with TPU inserts for camera dampening.