Let the agent catch and fix its own 3D export bug

Asked for an interactive 3D viewer of a Blender donut, ChatGPT spotted floating sprinkles in its own browser check and fixed the export bug unprompted.

Leon van Zyl · YouTube · published Oct 11, 2026 · Software & DevOps

Let the agent catch and fix its own 3D export bug — video by Leon van Zyl▶ Watch on YouTube
Prompt
Build an interactive 3D viewer for this Blender file, open it in a browser, check it against the original, and fix anything that looks off.

How to try it

  1. Open ChatGPT.
  2. Copy the prompt and fill in the [placeholders].
  3. Watch Leon van Zyl's video for the full walkthrough and setup.

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