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iffyloop / TripoSR-Bake

Generate 3D meshes from a single 2D image using TripoSR, complete with manual geometry editing and texture baking support
The Unlicense
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How can we get a low poly 3D objects without been helped by blender or any other engine? #5

Closed joshkiller closed 4 months ago

joshkiller commented 4 months ago

Thank you for resolving that issue earlier. I'm interested in converting directly the mesh generetae to FBX format to use the output in a game engine, and I'd prefer that 3D models to be low-poly. Could you suggest how I might proceed with this, considering my limited experience with 3D model generation? Additionally, I'm keen to integrate TripoSR with Stable Diffusion for text-to-3D generation. Any advice on this would be greatly appreciated.

iffyloop commented 4 months ago

You will need to use another tool to process the mesh if you want a low-poly output. I would recommend MeshLab for this purpose:

  1. Run the 01-mesh.py script with the appropriate arguments
  2. Open MeshLab, import the OBJ file generated by the previous script
  3. In the menubar at the top of the window/screen: Filters -> Smoothing, Fairing and Deformation -> Laplacian Smooth
  4. Check the Preview box and change the iterations until the mesh looks appropriately smooth without getting too thin/deformed
  5. In the menubar again: Filters -> Remeshing, Simplification and Reconstruction -> Remeshing: Isotropic Explicit Remeshing
  6. You can change the iterations seemingly to get various amounts of simplification, there are lots of other parameters too which I don't fully understand
  7. Export the simplified (low-poly) mesh as OBJ, then use it as the input to the 02-texture.py script I'd like to package all of this functionality in a single application sometime soon, but for now, it is unfortunately a manual workflow. Let me know if you have any questions!