Open-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.
README
An open-source, local-first 3D building editor built with React Three Fiber and WebGPU. Run it in the browser or from the CLI, and connect AI agents through MCP.
https://github.com/user-attachments/assets/8b50e7cf-cebe-4579-9cf3-8786b35f7b6b
Explore the live demo — a real home reconstructed in detail, from its rooms and finishes to the structure and systems behind the walls. This hosted preview explores the direction of the next Pascal editor; the experience shown here is not yet part of the open-source editor release.
| Exploded view — see how the home fits together | Cut view — slice through the building | | --- | --- | | | | | X-ray — reveal the modeled systems | Walkthrough — step inside at eye level | | | [![Walking through the home toward the pool terrace](docs/med