I was working my way through the code and noticed the game supports loading MD3 models. I can't believe Doom 3 has been around for 12 years and nobody played around with this. Vertex animation is a bit dated but it still has valid use cases.   Of course I was immediately sidetracked. I had to track down an exporter for Blender and try it.   Nothing complicated. Just a sphere with a wave modifier on it. I've packaged it up if anyone would like to tinker. It's testmd3.pk4.   If you load the model