Pascal Editor released: free open-source 3D home editor with WebGPU and AI support

On GitHub, it took place. release draft Pascal Editor A free browser-based 3D editor for designing buildings, layouts and open source interiors. The tool does not require installation and works directly in the web browser.

Design and visualization capabilities

Pascal Editor provides a complete set of tools for creating multi-storey buildings:

• Construction: Creation of walls, floors, roofs, as well as installation of windows, doors and furniture elements.
• Display modes: Quick switching between the drawing 2D plan and the volumetric 3D model.
• Navigation and inspection: The possibility of layer-by-layer “disassembly” of the building on floors and the function of walking on the project in the first person mode.
• Exports: The finished project can be unloaded for further work in other 3D-editors.

Technical stack and integration with ??

High productivity and smoothness of the editor’s work are provided by a bundle React Three Fiber and graphical API WebGPU.

A separate feature of Pascal Editor was the support of ?? agents. You can connect the tool to the editor. Codex or Claude CodeThis allows you to transfer planning control to artificial intelligence – for example, to automatically move windows or place objects using text commands.

Where to try.

The project is distributed free of charge under an open license. You can read the documentation and run the editor in the official repository on GitHub.

🚨Architects are going to hate this.

Someone just open-sourced a full 3D building editor that runs entirely in your browser.

No AutoCAD. No Revit. No $5,000/year licenses.

It's called Pascal Editor.

Built with React Three Fiber and WebGPU — meaning it renders directly on… pic.twitter.com/hGB6MQhkmC

— Nagma parween (@TechByNagma) July 26, 2026