Revision III Tricopter reinforced for 13mm aluminium

Some adjustments to fit 13mm, aluminium reinforcement for stronger engines and make a diferent servo fit in the tail.

I put only the modified parts, the rest can be found at:

- http://www.thingiverse.com/thing:275915 - Revision III Tricopter
- http://www.thingiverse.com/thing:198114 - Omnimac MultiWii Pro Mount v1.0
- http://www.thingiverse.com/thing:216100 - Case for MultiWii Pro from HobbyKing

My setup:

Turnigy L2215J-900 Brushless Motor (200w):
http://www.hobbyking.com/hobb