Blender Geometry Nodes — Procedural Geometry Skill

Python API reference for Blender 5.1+ Geometry Nodes. Send all code via:

curl -s localhost:5656 --data-binary @- <<'PYEOF'
<python code>
PYEOF

See the main blender skill for communication details, visual feedback, and error recovery. See blender-3d for materials, cameras, lighting, and rendering.

Creating a node tree

import bpy

# Create a new geometry node tree
tree = bpy.data.node_groups.new("MyGeoNodes", "GeometryNodeTree")