TIL: Using Blender with coding agents on macOS
Simon Willison’s Weblog
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5th September 2026
TIL
Using Blender with coding agents on macOS
— Modern frontier models have got *really good* at using Blender. I've been having a lot of fun trying this out recently - models can produce .blend files you can edit in Blender itself, and can also render images and even movies (by rendering a sequence of images and combining them with ffmpeg).
I've been having fun with Blender in ChatGPT Codex on my Mac recently. Getting it to work with coding agents is really easy: install the full Mac application from blender.org and run a prompt like this:
Use the already install /Applications/Blender to render a scene of a pelican riding a bicycle
In this case I followed that up with these two prompts:
OK add a background and a lot of flair
Then:
OK make it a whole lot better
And got this image, generated using Blender's Python API:
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coding-agents 244
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