450 Quad Battery Mount

This is a battery mount for the 450 spider quadcopter frame.

The battery dimensions are 133mm *44.5mm. It was designed to fit this frame:
http://www.valuehobby.com/multicopters/multicopter-frames/hj450-spider.html
and these batteries:
http://www.hobbyking.com/hobbyking/store/__20706__Turnigy_nano_tech_3300mah_3S_35_70C_Lipo_Pack_US_Warehouse_.html