My new goal is to make a good frame for FPV-flying, so it has be laid out properly where everything goes on it. I intend on putting a GoPro 3 on it to capture some sweet aerial footage. SO with what I had learned from my earlier projects I decided to make a mock up first in 3d of the frame and I came up with something like this.
The idea with the weird shape of the center plates is to make it oblong shaped so I have actually some space where to put the flight controller, RX, VTX and the GoPro. The center area with the hole will be taken mostly with the flight controller. The center plate is not big, it's only 10 cm across on the thinnest part and 15 cm the long way.