Frame for UDI U816 Quadcopter Free 3D print model

This is an add-on to the greatest helicopter toy I've ever played with: the UDI U816.

It comes with a 2.4ghz radio transmitter, and a decent one at that. 2 batteries, extra blades... but a flimsy plastic circuit cover.

The quadcopter itself is about 30g, and about 7 inches from tip to tip.

The printed frame in it's current form is about 15g -- the quadcopter has plenty of surplus thrust to carry it. The extra inertia is actually pretty useful for keeping control.

I was unable, however, to successfully print any of the blades that have been uploaded...