450 Quadcopter Landing Gear Mounts

**Update: 5/30/16 First flight, I landed hard (not used to the added weight...) and both flanges and one Tee cracked at the joint. Be sure to use more than 3 shells and 20% fill. I'll go back and see if I can beef up the fillets at the joints as well.

I decided to add a gimbal and camera system to my F450 quadcopter clone and needed a set of landing gear to raise the quad up to clear the camera. I bought a retractable set from HK that didn't work. So while I waited for the replacement I