🛠️Drive Blender From a Coding Agent on macOS in One Line
TL;DR
Frontier models have quietly gotten good at Blender, and wiring one up on macOS takes a single instruction. Install Blender, point your agent at the app bundle, and it renders scenes and hands back editable .blend files.
Frontier models have quietly gotten good at Blender, and wiring one up on macOS takes a single instruction. Install Blender, point your agent at the app bundle, and it renders scenes and hands back editable .blend files. Simon Willison tested the flow with GPT-6 Astra.
Key Points
Install Blender from blender.org, then tell the agent to use /Applications/Blender
Explicit form: /Applications/Blender.app/Contents/MacOS/Blender --background --python scene.py
Agents return .blend files you can open and edit, not just rendered frames
Tested against GPT-6 Astra, which OpenAI says is strongest yet at generating 3D models
Why It Matters
3D asset generation becomes a scriptable step inside an agent pipeline instead of a separate tool with its own learning curve.
Quick Facts
Frequently Asked Questions
Why does this matter?
3D asset generation becomes a scriptable step inside an agent pipeline instead of a separate tool with its own learning curve.
What happened?
Frontier models have quietly gotten good at Blender, and wiring one up on macOS takes a single instruction. Install Blender, point your agent at the app bundle, and it renders scenes and hands back editable .blend files.
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