F450 2212 Motor Mount for 12 MM Carbon Fiber Tube

2/22/17 Slight change for M3x6mm motor mounting screws.If you print the original I recommend 8mm screws. Otherwise the rev2 file works with M3x6mm .50 thread screws.

I decided to rebuild my Cheerson CX-20 in a F450 frame but I am not satisfied with the stiffness of the kit arms. I found an arm design I liked and I hacked it making them slightly shorter and they are stiffer than the F450 kit arms but I wanted better. In searching for an arm on Thingiverse I came across some motor mounts that a