Foldable drone frame (for big batteries)

foldable quadrocopter design. fits bigger batteries (in my case its a 5000mah 3s turnigy). The front armes are fixed with wingnuts. The back arms need to be pulled out and twistet to extend. For the mechanism you need two springs and super glue. There is a gimbal mount for the storm 32 brushless gimbal. Designed to fit 11'' props. Also a screws goes in each backarm axis for more strengh.

The design is 3d printer friendly with very little support needed. The models are all print ready. I use