SAM3DBody_Loader - ComfyUI Built-in Node Documentation - ComfyUI

Loads a SAM3D Body model from a checkpoint file stored in the detection folder and prepares it for 3D body detection use. The node loads the model weights, detects and applies quantization settings if present, and wraps the model for automatic memory management.

Inputs

Parameter	Description	Data Type	Required	Range
`model_file`	The SAM3D Body checkpoint file to load. The file must be placed in the detection folder.	COMBO	Yes	All model files available in the detection folder

Note: The model file must be located in the detection folder. Loading fails with an error if the checkpoint’s state dictionary keys do not match the SAM3D Body model structure.

Outputs

Output Name	Description	Data Type
`sam3d_body_model`	The loaded SAM3D Body model, wrapped for automatic memory management between GPU and CPU. Hand-detection weights are removed, so the model is specialized for body detection only.	SAM3D_BODY_MODEL

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