Each of these nodes presents a single UI with a backend selector dropdown. Under the hood, ComfyUI's GraphBuilder dispatches to hidden backend-specific nodes, enabling cross-environment execution (main, Blender, GPU, CGAL).

Node	Backends
Remesh	pymeshlab_isotropic, instant_meshes, quadriflow, mmg_adaptive, geogram_smooth, geogram_anisotropic, pmp_uniform, pmp_adaptive, quadwild, cgal_isotropic, blender_voxel, blender_smooth, blender_sharp, blender_blocks, gpu_cumesh
Decimate Mesh	quadric_edge_collapse, fast_simplification, vertex_clustering, cgal_edge_collapse, decimate_pro
Fill Holes	trimesh, pymeshlab, pymeshfix, igl_fan, cgal, gpu_cumesh
Smooth Mesh	taubin, laplacian, hc_laplacian, trimesh_laplacian, trimesh_taubin
Sharpen Mesh	two_step, unsharp_mask, libigl_unsharp, l0_minimize, guided_normal, vsa_snap, fast_effective, non_iterative
Fix Normals	trimesh, igl_bfs, igl_winding, igl_raycast, igl_signed_dist
Reconstruct Surface	poisson, ball_pivoting, alpha_shape, convex_hull, delaunay_2d, alpha_wrap (CGAL)
UV Unwrap	xatlas, cumesh (GPU), libigl_lscm, libigl_harmonic, libigl_arap, blender_smart, blender_cube, blender_cylinder, blender_sphere
Extract Skeleton	wavefront, vertex_clusters, edge_collapse, teasar
Boolean	libigl_cgal, blender_exact

Credits

Built on trimesh, libigl, PyMeshLab, and CGAL.

License

GNU General Public License v3.0 or later (GPL-3.0-or-later)

This project is licensed under the GPL-3.0-or-later license to ensure compatibility with the included dependencies:

Blender (GPL-2.0-or-later) - Used for advanced UV unwrapping and remeshing
CGAL (GPL-3.0-or-later) - Used for boolean operations and isotropic remeshing
PyMeshLab (GPL-3.0) - Used for mesh processing operations

What This Means

✅ You can use, modify, and distribute this software freely
✅ You can use it for commercial purposes
⚠️ If you distribute modified versions, you must also license them under GPL-3.0-or-later
⚠️ You must share the source code of any modifications you distribute

For more details, see:

LICENSE - Full GPL-3.0 license text
THIRD-PARTY-NOTICES.md - Detailed third-party license information

Questions?

If you have questions about licensing, please open an issue on GitHub.