Tricopter Based on TBS discovery. Second update, still work in progress. needd perfect the rear servo hinge some more for a bigger serve (metal gears) The compartment is big enough to fit a 4S 4000 battery 3d model included for assembly on the downloadable files Update 04/20/2015 STEP file uploaded.Print at 50% infill The Bottom plate has the foot print for a distribution board 45mm X 45mm, the top plate has the footprint for a CC3d openpilot FC. The parts for the rear servo hinge need to be welded with acetone if you are printing with ABS This is a work in progress, let me know if any sugestions