Clip-on SpaceOne FPV 220x arm guards

Arm guards for SpaceOne FPV 220x. Can't name them motor guards as they almost do not protect the motors.
Clips right onto the arms, can be fastened using zip ties (but not really needed).

Designed with integrated support, as the supports generated by the splicer I use did not work for me. Remove the support by prying with a tiny flat screwdriver and pulling.

Update 07/01/2017: added version without supports

Print settings (important!):
layer height: 0.1 or 0.2 mm (because of the dimen