{
  "id": "fal_hunyuan3d_v21",
  "name": "fal · Hunyuan3D 2.1 (PBR)",
  "category": "mesh-gen",
  "description": "Image → GLB with PBR textures via fal-ai/hunyuan3d-v21 (Hunyuan3D 2.1, ~90s, ~$0.05-0.10). Live-verified 2026-07: single-image works; the multi-view variant of v21 is broken on fal (use Hunyuan v2 for multi-view). Needs FAL_KEY.",
  "accepts": ["image"],
  "produces": ["model"],
  "resources": "net",
  "requires_env": ["FAL_KEY"],
  "entry": "run.py",
  "params_schema": {
    "type": "object",
    "properties": {
      "seed": {"type": "integer", "description": "Random seed (leave blank for random)"},
      "textured_mesh": {"type": "boolean", "default": true, "description": "Generate PBR textures (costs more)"},
      "extra_args": {"type": "string", "default": "", "description": "Raw JSON merged into fal arguments — full control over any endpoint param"}
    }
  }
}