T4 Quad Arm for DT-750 motors.

New design of the arm for using famous HobbyKing's DT-750 motors whit this amazing quad.
Designed in SketchUp. Source file available for download.
Test flights are in progress. I will update with results.
4-Aug-2014 (v1.0)
-Enlarged 0,5mm the place for the motor base mount.
Where to buy this engine:
http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=6247&aff=7235