GPT-5.5-Pro made this model in ForgeCAD from a short prompt: >...

10 views Apr 30, 2026 ~1 min read

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GPT-5.5-Pro made this model in ForgeCAD from a short prompt:

> automatic bi-parting sliding entrance door

@OpenAI @ForgeCAD

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The instructions now ask the model to not only build the externally visible pieces, but also what's inside that makes it possible. Here we see how it implemented the system moving the doors:

Making these models take 2 steps for me, and for that I have 2 @ChatGPTapp Projects. One to curate the prompt, and one to actually build the model with the GPT-5.5-Pro (or instead to use in Codex with ForgeCAD CLI access).

All these skill files will be included in the upcoming ForgeCAD CLI version.

You can use this model in your browser for free here: forgecad.io/m/OiNLg77vLN

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