Controller platform for Diatone FPV250 style quadcopter frames

Everyone loves these inexpensive little quadcopter frames. I have the basic frame without the fpv cage arrangement on it. I wanted to strap the battery to the bottom, so needed a place for the power distribution board. This little build allows you to put the PDB under the controller in the central well area of this frame. Then you can mount your controller on top for easy access. The pictures tell the whole story.
The platform is 11mm high, so should be flush or slightly higher than the t