Willison prompts Claude Fable 5.2 to animate Yonkers as a mech
Original title: Yonkers Rises
He asked Fable 5.2 Medium to use OpenStreetMap data in a Three.js standup-and-stomp animation.
Simon Willison looked up Yonkers on Google Maps, then prompted Claude Fable 5.2 Medium to make a Three.js animation of the city standing up as a mech and moving around Manhattan, Queens, and Brooklyn. The model treated a mobile-keyboard typo as “stomps” and used OpenStreetMap mapping data. The post is a personal prompt experiment, not a model release or security finding.
- The prompt asked for a cool standup motion using OpenStreetMap data.
- Fable 5.2 Medium corrected “átomos” to “stomps.”
- Products
- Three.js
- AI models
- Claude Fable 5.2Fable 5.2 Medium
From the original article
Tool: Yonkers Rises I realized I didn't know where Yonkers was, so I looked it up on Google Maps and then, to help embed it's location and shape in my head (and to try out Claude Fable 5. 2's 3D modeling and animation skills), I prompted Fable 5.
simonwillison.net
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