Improved Nighthawk 250 Quadcopter Arm

Updated the design of the stock emax nighthawk 250 pro quadcopter arms with a more sturdy build. I've eliminated as many of the styling cut outs as they induce weak points near the base of the arm.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/bggY3h5iNkh