VoxelToMesh - ComfyUI Built-in Node Documentation

The VoxelToMesh node converts 3D voxel data into a mesh geometry by extracting a surface at a specified threshold value. It offers two algorithms for surface extraction: a basic method that creates simple box-like faces, and a surface net method that produces smoother, more detailed meshes. The node processes each voxel grid in the input and generates vertices and faces that form a 3D mesh representation.

Inputs

Parameter	Description	Data Type	Required	Range
`voxel`	The input voxel data to convert to mesh geometry	VOXEL	Yes	-
`algorithm`	The algorithm used for surface extraction. “surface net” produces smoother meshes, while “basic” creates simple box-like faces (default: “surface net”)	COMBO	Yes	`"surface net"` `"basic"`
`threshold`	The threshold value for surface extraction. Voxels with values above this threshold are considered solid (default: 0.6)	FLOAT	Yes	-1.0 to 1.0

Outputs

Output Name	Description	Data Type
`MESH`	The generated 3D mesh containing vertices and faces from all input voxel grids. If all voxel grids produce meshes with identical shapes, the output is a stacked tensor; otherwise, a variable-length batch is returned	MESH

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​Inputs

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Inputs

Outputs