Advanced tools > Models Configurator
For real?
Viewing post in Are 3d model animations supported?
> "Keep in mind, this is a swap for sprites, not a replacement. You will still need to provide editor with at least Pickup sprite for entities and weapons. Since models are just swaps for sprites, you will need to provide proper number of frames (which in most simple case is the same as sprites number for your entity or weapon)."
FOR REAL?