ComfyUI-GeometryPack

GeomPackAddNormalsToPointCloud

Estimate and add normals to a point cloud using various methods.

0 inputs · 6 parameters

GeomPackAlphaWrap

Alpha Wrap - Generate a watertight shrink-wrapped mesh. Uses CGAL's Alpha Wrap algorithm to create a tight-fitting watertight mesh around input geometry. Works with: - Non-manifold meshes - Meshes with holes - Polygon soups (overlapping/intersecting geometry) Parameters: - alpha: Controls wrap tightness. Smaller = tighter wrap, more detail. Relative to bounding box diagonal (0.01 = 1% of bbox diagonal). - offset: Surface offset distance. Smaller = closer to original surface. Relative to bounding box diagonal.

0 inputs · 2 parameters

GeomPackBackdraftView

Render mesh from Z-axis and detect backdraft regions. Backdraft = when a ray from above hits MORE than 1 face. This indicates an undercut that would trap material in manufacturing.

0 inputs · 3 parameters

GeomPackBoolean

Boolean - Unified CSG operations with backend selection. Dispatches to hidden backend nodes via node expansion. Backends span multiple isolation envs (main, blender).

0 inputs · 2 parameters

GeomPackBoolean_BlenderExact

Blender EXACT solver boolean operations backend.

0 inputs · 1 parameter

GeomPackBoolean_LibiglCGAL

libigl+CGAL boolean operations backend.

0 inputs · 1 parameter

GeomPackCheckNormals

Analyze mesh normal consistency and quality. Checks face normal orientations, reports inconsistencies, and provides diagnostic information about mesh topology issues.

GeomPackCombineMeshes

Combine Meshes - Concatenate multiple meshes into one. Simply concatenates vertices and faces without performing boolean operations. The result contains all geometry from input meshes as separate components. Useful for grouping objects or preparing batch operations.

GeomPackCombineMeshesBatch

Combine Meshes from Batch - Concatenate a list of meshes into one. Takes a batch of meshes (list) and combines them into a single mesh. Simply concatenates vertices and faces without performing boolean operations. The result contains all geometry from input meshes as separate components. Useful for combining batch outputs from processing pipelines.

GeomPackComputeNormals

Recompute mesh normals with custom settings. Recalculates face and vertex normals. Useful after mesh manipulation, importing from formats without normals, or when normals seem incorrect.

0 inputs · 1 parameter

GeomPackConnectedComponents

Label disconnected mesh components with a part_id face attribute. Each disconnected region of the mesh gets a unique integer ID (0, 1, 2, ...). The part_id is stored as a face attribute that can be visualized with the field-based mesh preview nodes. Supports batch processing: input a list of meshes, get a list of results.

GeomPackCreatePrimitive

Create primitive geometry (cube, sphere, plane) Uses trimesh creation functions for high-quality primitives.

0 inputs · 3 parameters

GeomPackDecimate_CGALEdgeCollapse

CGAL Lindstrom-Turk edge collapse decimation backend.

0 inputs · 2 parameters

GeomPackDecimate_DecimatePro

PyVista/VTK DecimatePro backend.

0 inputs · 3 parameters

GeomPackDecimate_FastSimplification

Fast quadric mesh simplification backend.

0 inputs · 2 parameters

GeomPackDecimate_QuadricEdgeCollapse

PyMeshLab quadric edge collapse decimation backend.

0 inputs · 6 parameters

GeomPackDecimate_VertexClustering

PyMeshLab vertex clustering decimation backend.

0 inputs · 1 parameter

GeomPackDecimateMesh

Decimate Mesh - Unified decimation with backend selection. Dispatches to hidden backend nodes via node expansion.

0 inputs · 1 parameter

GeomPackDegenerateFaces

Detect degenerate faces and show smallest faces by area. Truly degenerate faces have: - Duplicate vertices (collapsed edges) - Zero area (collinear points) Also displays the 30 smallest faces by area for inspection.

GeomPackDepthNormalsToMesh

Depth + Normals to Mesh - Convert depth map and normal map to smooth 3D mesh. Takes a depth map (MASK) and normal map (IMAGE with Nx in R, Ny in G) and reconstructs a smooth surface using Poisson or Ball Pivoting algorithms. This approach eliminates the "Minecraft-like" stair-step artifacts of grid-based heightmap displacement by using proper surface reconstruction from oriented point clouds. Designed for CAD raytracing workflows where depth and normals are available.

3 inputs · 8 parameters

GeomPackDetectSelfIntersections

Detect self-intersecting faces in a mesh. Analyzes the mesh to find faces that intersect with each other. Creates scalar fields to visualize which faces/vertices are involved in self-intersections. Essential for mesh quality checking before boolean operations or 3D printing.

GeomPackExtractLargestComponent

Extract the largest connected component from a mesh. Removes all smaller disconnected parts, keeping only the component with the most faces. Supports batch processing: input a list of meshes, get a list of results.

GeomPackExtractSkeleton

Extract skeleton from 3D mesh using Skeletor library. Dispatches to hidden backend nodes via node expansion.

0 inputs · 3 parameters

GeomPackFillHoles

Fill Holes - Unified hole filling with backend selection. Dispatches to hidden backend nodes via node expansion.

0 inputs · 1 parameter

GeomPackFillHoles_CGAL

Compact description unavailable for this node.

0 inputs · 1 parameter

GeomPackFillHoles_GPU

GPU CuMesh backend for Fill Holes.

0 inputs · 1 parameter

GeomPackFillHoles_IglFan

libigl fan backend for Fill Holes.

GeomPackFillHoles_PyMeshFix

Compact description unavailable for this node.

0 inputs · 2 parameters

GeomPackFillHoles_PyMeshLab

Compact description unavailable for this node.

0 inputs · 1 parameter

GeomPackFillHoles_Trimesh

Compact description unavailable for this node.

GeomPackFixNormals

Fix Normals - Unified normal fixing with backend selection. Dispatches to hidden backend nodes via node expansion.

0 inputs · 1 parameter

GeomPackFixNormals_IglBfs

libigl BFS backend for Fix Normals.

GeomPackFixNormals_IglRaycast

libigl raycast backend for Fix Normals.

GeomPackFixNormals_IglSignedDist

libigl signed-distance backend for Fix Normals.

GeomPackFixNormals_IglWinding

libigl winding backend for Fix Normals.

GeomPackFixNormals_Trimesh

Compact description unavailable for this node.

GeomPackFixSelfIntersectionsByPerturbation

Fix self-intersections by slightly moving vertices apart. Perturbs vertices adjacent to self-intersecting faces by moving them along their normals. This is a non-destructive approach that preserves mesh topology but may not resolve all intersection types.

0 inputs · 5 parameters

GeomPackFixSelfIntersectionsByRemoval

Fix self-intersections by removing intersecting faces and filling holes. Removes faces marked as self-intersecting (from DetectSelfIntersections node), then optionally fills the resulting holes and fixes normals. This is a simple but effective approach for meshes with isolated self-intersection regions.

0 inputs · 4 parameters

GeomPackGetMeshFilename

Extract filename (without extension) from a mesh's metadata. Returns the original filename that was used when loading the mesh file. Useful for batch processing to preserve original names in output. Supports batch processing: input a list of meshes, get a list of filenames.

GeomPackLoadMesh

Load a mesh from file (OBJ, PLY, STL, OFF, etc.) Now returns trimesh.Trimesh objects for better mesh handling.

0 inputs · 1 parameter

GeomPackLoadMeshBatch

Load multiple meshes from a folder (batch loading). Similar to ComfyUI's image batch loading, with start_index and max_meshes controls.

0 inputs · 3 parameters

GeomPackLoadMeshBlend

Load Blender .blend files using bpy. Uses the bpy Python module to directly extract mesh data from .blend files.

0 inputs · 1 parameter

GeomPackLoadMeshFBX

Load FBX files using bpy. Uses the bpy Python module to directly import FBX files and extract mesh data.

0 inputs · 1 parameter

GeomPackLoadMeshGlob

Load meshes matching a glob pattern (e.g., /path/*.glb, /path/**/*.obj) Returns a list of meshes sorted by filename.

0 inputs · 2 parameters

GeomPackLoadMeshPath

Load a mesh from a string path (OBJ, PLY, STL, OFF, etc.) Takes a string input for the path, allowing dynamic path construction. Supports batch paths: pass multiple paths separated by newlines or commas. When multiple paths are provided, returns lists of meshes and textures.

0 inputs · 1 parameter

GeomPackMergeVertices

Merge duplicate vertices in a mesh with configurable tolerance. Vertices within the specified distance tolerance are merged into a single vertex. This is useful for: - Fixing disconnected mesh components from CAD meshing (OCC) - Repairing meshes with near-duplicate vertices from floating-point precision issues - Reducing vertex count for meshes with redundant vertices The tolerance is specified in world units. For example: - 1e-8: Very tight (nearly exact matches only) - 1e-5: Standard for CAD meshes (recommended) - 1e-3: Loose (for coarse meshes)

0 inputs · 1 parameter

GeomPackMeshFix

Automatic mesh repair using MeshFix algorithm. Performs light touch-up repairs: - Remove small isolated components - Join nearby disconnected parts - Fill boundary holes - Remove self-intersections and degenerate faces Based on the MeshFix library by Marco Attene.

0 inputs · 8 parameters

GeomPackMeshFromSkeleton

Convert skeleton to solid mesh with cylinders (bones) and spheres (joints). High-quality visualization with adjustable geometry.

0 inputs · 2 parameters

GeomPackMeshInfo

Display detailed mesh information and statistics. Now using trimesh for enhanced mesh analysis.

GeomPackMeshQuality

Mesh Quality - Compute quality metrics for mesh analysis. Analyzes various quality metrics of a mesh including: - Triangle quality (aspect ratio, angles) - Edge length statistics - Face area distribution - Degeneracy detection - Manifold status Useful for identifying problematic geometry before further processing.

0 inputs · 2 parameters

GeomPackMeshToMeshDistance

Unified Mesh Distance - Compare two meshes using various metrics. Metrics: - hausdorff: Maximum distance (worst-case deviation) - chamfer: Average squared distance (overall similarity) Both metrics sample points from mesh surfaces and compute distances.

0 inputs · 3 parameters

GeomPackMeshToPointCloud

Convert mesh to point cloud by sampling surface points. Samples points from the mesh surface using various sampling methods. Can optionally include normals and colors.

0 inputs · 4 parameters

GeomPackNormalizeMeshToBBox

Normalize mesh/pointcloud to bounding box. Centers mesh at origin and scales isotropically to fit target size. Stores normalization parameters in metadata for potential denormalization.

0 inputs · 1 parameter

GeomPackOpenEdges

Detect and label faces with open/boundary edges. A boundary edge is an edge that belongs to only one face (not shared). This node finds all such edges and marks the faces containing them. Supports batch processing: input a list of meshes, get a list of results.

GeomPackParaViewFilter

Apply VTK/ParaView analysis filters to meshes using PyVista. Produces scalar fields for visualization in Preview Mesh (fields mode).

0 inputs · 5 parameters

GeomPackPointToMeshDistance

Point to Mesh Distance - Compute distance field from point cloud/mesh to target mesh surface. For each vertex in the input (point cloud or mesh), finds the closest point on the target mesh surface and computes the distance. Returns the input geometry with a 'distance' field added to vertex_attributes. Supports both: - Unsigned distances (using trimesh): Always positive, measures surface proximity - Signed distances (using igl.signed_distance): Positive outside, negative inside mesh Useful for proximity analysis, error measurements, distance-based visualizations, and implicit surface representations (SDF).

0 inputs · 2 parameters

GeomPackPreviewGaussian

Preview Gaussian Splatting PLY files. Displays 3D Gaussian Splats in an interactive gsplat.js viewer with orbit controls and real-time rendering.

0 inputs · 1 parameter

GeomPackPreviewMesh

Preview mesh with interactive 3D viewer. Displays mesh in an interactive Three.js viewer with orbit controls. Allows rotating, panning, and zooming to inspect the mesh geometry.

GeomPackPreviewMeshAnalysis

Preview mesh with analysis buttons. Displays mesh in VTK.js viewer with interactive buttons to compute: - Open edges (boundary vertices) - Connected components (part_id) - Self-intersections Click a button to compute and visualize that analysis.

GeomPackPreviewMeshDual

Unified dual mesh preview with VTK.js - supports both side-by-side and overlay layouts. Combines two meshes for comparison with full field visualization support. Choose between synchronized side-by-side viewports or single overlaid viewport.

0 inputs · 4 parameters

GeomPackPreviewMeshMulti

Multi mesh preview with VTK.js - displays up to 4 meshes in a grid layout. Grid layouts: - 1 mesh: 1x1 - 2 meshes: 1x2 (side by side) - 3 meshes: 1x3 (horizontal row) - 4 meshes: 2x2 Supports scalar field visualization with synchronized cameras.

0 inputs · 1 parameter

GeomPackPreviewMeshUV

Preview mesh with synchronized 3D and UV layout views. Displays mesh in a split-pane interactive viewer: - Left: 3D mesh view with wireframe overlay (rotatable) - Right: 2D UV layout in 0-1 space - Click on either view highlights corresponding point on the other Useful for inspecting UV unwrapping quality, seam placement, and texture mapping.

0 inputs · 2 parameters

GeomPackPreviewMeshVTK

Preview mesh with VTK.js scientific visualization viewer. Displays mesh in an interactive VTK.js viewer with trackball controls. Better for scientific visualization, mesh analysis, and large datasets.

0 inputs · 1 parameter

GeomPackPreviewMeshVTKBatch

Preview batch of meshes with VTK.js scientific visualization viewer with index navigation. Displays meshes from a batch in an interactive VTK.js viewer with trackball controls. Includes navigation buttons to cycle through meshes in the batch. Better for scientific visualization, mesh analysis, and large datasets.

0 inputs · 2 parameters

GeomPackReconstruct_AlphaShape

Alpha shape reconstruction using scipy Delaunay.

0 inputs · 1 parameter

GeomPackReconstruct_BallPivoting

Ball pivoting algorithm using PyMeshLab.

0 inputs · 3 parameters

GeomPackReconstruct_ConvexHull

Simple convex hull reconstruction.

GeomPackReconstruct_Poisson

Poisson surface reconstruction using Open3D or PyMeshLab.

0 inputs · 4 parameters

GeomPackReconstructSurface

Reconstruct Surface - Convert point cloud to mesh. Dispatches to hidden backend nodes via node expansion.

0 inputs · 1 parameter

GeomPackRemesh

Remesh - Unified remeshing with backend selection. Dispatches to hidden backend nodes via node expansion. Backends span multiple isolation envs (main, blender, gpu).

0 inputs · 1 parameter

GeomPackRemesh_BlenderBlocks

Blender blocks remesh modifier backend.

0 inputs · 2 parameters

GeomPackRemesh_BlenderSharp

Blender sharp remesh modifier backend.

0 inputs · 3 parameters

GeomPackRemesh_BlenderVoxel

Blender voxel remeshing backend.

0 inputs · 1 parameter

GeomPackRemesh_CGAL

Remesh CGAL - High-quality isotropic remeshing using CGAL. Requires CGAL Python bindings to be installed. Produces high-quality isotropic triangulations with good angle properties.

0 inputs · 3 parameters

GeomPackRemesh_GeogramAniso

Geogram curvature-adapted CVT remeshing backend.

0 inputs · 2 parameters

GeomPackRemesh_GeogramSmooth

Geogram CVT isotropic remeshing backend.

0 inputs · 4 parameters

GeomPackRemesh_GPU

Remesh GPU - GPU-accelerated dual-contouring remeshing using CuMesh. Uses the same algorithm as TRELLIS2 for high-quality mesh generation. Requires CUDA-capable GPU, torch, and cumesh package.

0 inputs · 2 parameters

GeomPackRemesh_InstantMeshes

Instant Meshes field-aligned remeshing backend.

0 inputs · 3 parameters

GeomPackRemesh_MMG

MMG curvature-adaptive surface remeshing backend.

0 inputs · 4 parameters

GeomPackRemesh_PMPAdaptive

PMP curvature-driven adaptive remeshing backend.

0 inputs · 5 parameters

GeomPackRemesh_PMPUniform

PMP uniform isotropic remeshing backend.

0 inputs · 3 parameters

GeomPackRemesh_PyMeshLab

PyMeshLab isotropic remeshing backend.

0 inputs · 4 parameters

GeomPackRemesh_QuadriFlow

QuadriFlow quad remeshing backend.

0 inputs · 3 parameters

GeomPackRemesh_QuadWild

QuadWild BiMDF tri-to-quad remeshing backend.

0 inputs · 5 parameters

GeomPackRemeshBlender

Remesh Blender - Blender-based remeshing using bpy. Available backends: - blender_voxel: Voxel-based remeshing (watertight output) - blender_smooth: Smooth remesh modifier - blender_sharp: Sharp remesh modifier (preserves edges) - blender_blocks: Blocky remesh modifier Requires bpy (Blender Python module) to be installed.

0 inputs · 1 parameter

GeomPackRemeshSelfIntersections

Remove self-intersections by remeshing. Uses libigl CGAL to subdivide self-intersecting triangles so that intersections lie exactly on edges. Can optionally extract outer hull for a clean manifold result. Essential for preparing meshes for boolean operations or 3D printing.

0 inputs · 4 parameters

GeomPackRemeshWithTexture

Remesh with texture preservation using Blender baking. Workflow: 1. Remeshes the input geometry using selected algorithm 2. Generates new UV coordinates for the remeshed surface 3. Bakes the original texture onto the new UVs using Blender 4. Returns remeshed mesh with baked texture

0 inputs · 5 parameters

GeomPackRemoveDegenerateFaces

Remove degenerate faces from a mesh. A face is considered degenerate if: - It has duplicate vertex indices (e.g., [0, 1, 1]) - It has zero or near-zero area This is useful for cleaning meshes after vertex merging operations, or for fixing meshes imported from CAD systems that create sliver triangles.

0 inputs · 1 parameter

GeomPackSaveMesh

Save a mesh or point cloud to file (OBJ, PLY, STL, OFF, etc.) Supports all formats provided by trimesh. Point clouds (vertices without faces) can be saved as PLY format.

0 inputs · 2 parameters

GeomPackSaveMeshBatch

Save multiple meshes to a folder with sequential numbering. Files are named: {base_name}_{number}.{format} Number of digits is automatically determined based on batch size: - 1-9 meshes: _1, _2, ... - 10-99 meshes: _01, _02, ... - 100-999 meshes: _001, _002, ...

0 inputs · 4 parameters

GeomPackSharpen_FastEffective

Fast and Effective Feature-Preserving Mesh Denoising backend.

0 inputs · 3 parameters

GeomPackSharpen_GuidedNormal

Guided mesh normal filtering sharpening backend.

0 inputs · 4 parameters

GeomPackSharpen_L0Minimize

L0 normal minimization sharpening backend.

0 inputs · 3 parameters

GeomPackSharpen_LibiglUnsharp

Cotangent-weighted geometric unsharp mask backend (libigl).

0 inputs · 2 parameters

GeomPackSharpen_NonIterative

Non-Iterative Feature-Preserving Mesh Smoothing backend.

0 inputs · 2 parameters

GeomPackSharpen_TwoStep

Two-step bilateral normal sharpening backend (pymeshlab).

0 inputs · 2 parameters

GeomPackSharpen_UnsharpMask

Geometric unsharp mask sharpening backend (pymeshlab).

0 inputs · 2 parameters

GeomPackSharpenMesh

Sharpen Mesh - Unified sharpening with backend selection. Dispatches to hidden backend nodes via node expansion.

0 inputs · 1 parameter

GeomPackSkeleton_EdgeCollapse

Edge collapse skeletonization backend.

0 inputs · 4 parameters

GeomPackSkeleton_Teasar

TEASAR skeletonization backend.

0 inputs · 4 parameters