Simple V-tail quad copter

I've printed a few Multicopters from Thingiverse and have had very good luck with them, so I felt it was time to design one of my own completely from scratch. My goal was to make it simple, with a minimum of parts, sturdy, and also have easy removal of any individual part for replacement in the event of a mishap. Finally, I wanted to have the ability to easily change the configuration from a V-tail to an H-quad. I had some 12mm carbon tube left over from a Tilt-Rotor project, so that seemed like