SplatToFile3D - ComfyUI Built-in Node Documentation

The SplatToFile3D node converts a gaussian splat into a File3D object that can be used with Save or Preview 3D nodes.

The SplatToFile3D node converts a gaussian splat into a File3D object that can be used with Save or Preview 3D nodes. It supports one item per batch only and allows you to choose from different output file formats for the exported 3D data.

Inputs

Parameter	Description	Data Type	Required	Range
splat	The gaussian splat data to be serialized into a file	SPLAT	Yes	-
format	The output file format for the 3D file. ply: standard 3D Gaussian Splat with full spherical harmonics. ksplat: mkkellogg SplatBuffer (level 0, uncompressed), base color only. spz: Niantic gzip-compressed (~10x smaller), base color only (default: “ply”)	COMBO	Yes	”ply" "ksplat" "spz”

Note: This node supports one item per batch only. If the input splat contains more than one item in the batch, the node logs a warning and uses the first item. If an unsupported format is provided, the node raises an error.

Outputs

Output Name	Description	Data Type
model_3d	A File3D object containing the serialized gaussian splat data in the selected format, ready for saving or previewing	FILE3D

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