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3D & design

Pascal Editor

A 3D building and floor-plan editor that runs in your browser and can be controlled by AI agents.

What it does

Pascal Editor lets you design buildings in 3D, from walls and rooms to finishes. It runs in a web browser and keeps projects on your own computer.

It also offers a connection (MCP) so AI agents can help create and change designs. It can be started with one command or self-hosted for a team.

Who it's for

Architects, home designers and hobbyists, plus developers who want AI help with 3D design.

Can I use it without coding?

With some setup. Started with a command (needs Node.js), then used in the browser. New to this? Start here.

Can I run it?

Cost
FreeNothing to pay or sign up for.
Runs on
Web browser, Server
Privacy
Your choice: run it on your device or use an online service
API key
Not needed

Try it

  1. Explore the live demo in your browser.
  2. Install Node.js and start the Pascal editor on your own computer.
  3. Optionally connect an AI agent so it can help edit your 3D building.

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page. Copies with similar names exist for many popular projects.
  • License (MIT): Very permissive: free to use, change and share, including for business.
  • More on staying safe