Looking at the underlying prompt [1], it is a one-shot prompt, i.e. it contains one example of a natural language task along with the corresponding Python code (plus a "system" prompt for overall context and direction). Amazing how much you can do with a simple prompt.
Imagine Jupyter notebooks with this capability. Or Photoshop. Or Davinci Resolve. We live in amazing times.
[1]: https://github.com/gd3kr/BlenderGPT/blob/main/__init__.py