> For the complete documentation index, see [llms.txt](https://docs.procedural-anatomy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.procedural-anatomy.com/nodes/model-nodes/anatomy-volume.md).

# Anatomy Volume

This node uses the negative space between the Muscle Shape Mesh and Volume Shape to create meshes for fat and breast tissue.

**Expansion** - Expand the acceptable values for fat.  Small values have big changes here.

**Delete Pieces Threshold** - This is based on the area of the piece.

**Target Mesh Size** - How large the edge lengths are for the procedural mesh.  A value of 0.01 Is matched to the size of the muscle meshes for an average character, you may want to raise or lower this value slightly for more or less mesh in smaller areas.

**Smooth Strength** - Smoothing, focusing on edge smoothness.


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