Willison vibe-codes a browser .blend viewer to publish a GPT-6 Astra-generated 3D model
simonwillison.net·low signal
Willison generated a Pluribus-themed Fabergé egg image with ChatGPT Images 2.5, fed it to GPT-6 Astra running a local Blender skill to produce a .blend file, then built an in-browser viewer at tools.simonwillison.net/blender-viewer so the result could be shared without Blender installed. The pattern is the interesting part for builders: model plus a local application skill produces a native artifact, and a second vibe-coded tool exists only to make that artifact viewable.