This Quadcopter design uses carbon fiber arrow shafts for rigidity. All points where plastic and carbon interface float on rubber o-rings to stop vibration transfer. The flight controller is isolated by silicone anti-vibration balls that are cast in a 3D printed mold. Full instructions and build log on Instructables: http://goo.gl/wD0f3K  and Wevolver: https://goo.gl/c7IN7y