Hi, I don’t know if I arrive too late, but I had designed a .stl model of the frame, you can get it from: http://www.thingiverse.com/thing:642348
There are also many other people that had done the same thing: http://www.thingiverse.com/search/page:1?q=tricopter+frame&sa=
Hope to had been useful 😀
Hey I’m not the first spaniard xD Galicia, Spain.