Hunyuan3D (hy-3d.com) by Tencent Hunyuan is a free, open-source text-to-3D & image-to-3D AI model in 2026, generating high-fidelity, PBR-ready 3D assets with clean manifold meshes and 4K textures in ~30 seconds locally (6GB+ VRAM). Two-stage pipeline (geometry via DiT + multi-view PBR painting) solves Janus/multi-face issues for production-ready outputs compatible with Blender, Unity, Unreal. No subscription, Apache 2.0 license—ideal for indie game devs, 3D artists, VFX, e-commerce, and hobbyists wanting privacy & zero cost.