Excelsior Alpha - Vectored Thrust Tricopter Proof-of-Concept

**2015.05.13 - See my second iteration:** [Excelsior Bravo](http://www.thingiverse.com/thing:825920)

2015.02.21 - Added a shelf to the front of the bottom plate for an FPV camera. (excelsior_bottom_plate_c)

2015.02.17 - Designed a yaw mechanism that works well with this copter: http://www.thingiverse.com/thing:687048

2015.02.01 - Added slightly improved bottom plate. (Thinner landing gear pegs with reinforcement fillets.)

The main frame parts for my PoC vectored thrust tricopter.