GEP210 Aomway 600TVL camera mount
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/9ej87lnCAro
This fits the AOMWAY camera: http://www.banggood.com/Aomway-HD-Mini-13-CMOS-FPV-Camera-2_8-Lens-Module-Port-MOL5P-2_54-p-950397.html
However, if you are selecting a suitable camera for the GEP210 frame, do not buy this one - it has a very thick, rather long and stiff wire that comes from the side that makes it hard to cram it in the frame. I had this camera from a previous multirotor build and I have modified the casing with brute force, ugly cutting and lots of hot glue to make the wire point more to the back.
That said, it is easy to use this model as a starting point for you own custom camera holder. Open and clone it in Tinkercad and adjust the hole to fit your own camera - as the holder itself will fit your frame. It's just grouped primitives put together, so it is easy to understand when you just ungroup a bit and see how it is put together.