With the FreeRAY-2019 release, my LGPL POVRay library reachs 175 objects. Actually you could download almost all of them on the official site of POVRay. I know: These objects are for animations and static images…, my conversion tool it is very complicated to use on games; my output it is very disappointing. You could mail me if you need some hints, with a lot of work and rewrite some code, it is possible a better conversion.
If you want to combine POVRay and Blender you could read this article… PovRAY-Blender HINT: Combine your characters on Blender with POVRay backgrounds, and look for many POVRay utilities on the internet…