JS.
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From the reel “I asked Claude to turn a property portfolio into a 3D building”

Turn a rent roll into a 3D building

The 3D building dashboard

Claude can turn a spreadsheet export into a 3D building you can click, using Three.js, a free 3D library that runs in any browser. Here are the prompts and a made-up 40-unit file to try them on. It isn’t live: when the numbers change, you export again and it redraws.