Modular Light Weight Quadcopter Frame

This is a light weight drone that only supports a 20x20 stack. It can mount 4 20x20 boards so it is perfect for a nice light HD quad with a run-cam split mini in it. Its meant to have a top-mount battery.

The stand-off spacing is 30.5 - any 30.5 printable quadcopter accessories should work with this quad.

It's 73Grams with the 3 inch arms.

I've done up 3 sets of arms
- 3" arms - will fit any 2.5" or 3" props
- 4" arms - will fit any 3.5" or 4" prop
- 4" angled arms - will fit an