ComfyUI-Hunyuan3D-2.1. ComfyUI-Hunyuan3D-2.1 is now available in ComfyUI, Hunyuan3D-2.1 is a scalable 3D asset creation system that advances state-of-the-art 3D generation through two pivotal innovations: Fully Open-Source Framework and Physically-Based Rendering (PBR) Texture Synthesis.