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Tencent-Hunyuan/Hunyuan3D-2

Tencent's 3D printer runs on diffusion, not filament

A production-grade pipeline that turns images into textured meshes using separate shape and texture diffusion models.

13.9k stars Python Image · Video · Audio
Hunyuan3D-2
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What it does Hunyuan3D 2.0 generates high-resolution textured 3D assets from images or text. It splits the job into two stages: first a flow-based diffusion transformer (Hunyuan3D-DiT) builds the bare mesh, then a second model (Hunyuan3D-Paint) synthesizes texture maps. The decoupled design lets you retexture generated meshes or hand-crafted ones.

The interesting bit The project ships a whole zoo of distilled variants—Turbo, Fast, mini, multiview—so you can trade quality for speed or VRAM. The README claims 6 GB VRAM for shape-only, 16 GB for the full pipeline, which is aggressive for this class of model. There’s also a Blender addon and ComfyUI wrappers, suggesting Tencent wants this in actual workflows, not just demos.

Key highlights

  • Two-stage pipeline: shape generation (DiT) → texture synthesis (Paint)
  • Multiple model sizes: 0.6B mini, 1.1B standard/multiview, 3.0B v2.1
  • Distilled speed variants: Turbo (step distillation) and Fast (guidance distillation)
  • Benchmark table included, comparing against unnamed open- and closed-source baselines
  • Blender addon, HuggingFace demo, and community ComfyUI integrations available

Caveats

  • The benchmark table labels competitors as “Top Open-source Model1” and “Top Close-source Model2” without naming them, so the comparison is unverifiable
  • README is heavily truncated; full installation and licensing details are cut off
  • PBR material generation and training code live in separate repos (Hunyuan3D-2.1, MaterialMVP, RomanTex), not this one

Verdict Worth a look if you need production-ready image-to-3D with actual tooling around it. Skip if you want a single self-contained repo or are running on consumer GPUs below 16 GB for the full experience.

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