Pascal Editor is a free, open-source 3D building editor designed for creating, visualizing, and managing architectural projects directly in the browser. The platform allows users to turn properties into digital twins, organize and edit every aspect of a building from a single 3D canvas, and present their designs in an immersive first-person walkthrough. It is aimed at a wide range of users, including homeowners, game designers, production teams, developers, plugin builders, digital twin companies, property developers, contractors, content creators, Sims enthusiasts, and architects.
The tool offers features such as scanning existing spaces to generate 3D models, sketching new designs in the browser, and editing layouts by moving walls, swapping furniture, and experimenting with styles. Users can present their projects interactively, allowing others to explore the space as if it already exists. Pascal Editor supports building with SDF/CSG shapes, enabling natural blending, merging, and carving of geometry in a parametric fashion. The platform also provides an asset library containing thousands of ready-made 3D objects that can be modified to fit specific needs.
Pascal Editor integrates with AI, allowing users to generate geometry from sketches and enabling agents to read and reshape scenes, including rooms, objects, materials, and building systems, via an MCP server. The software supports importing IFC models and offers plugins to extend its functionality. Its components, including the viewer, editor, and scene engine, are published on npm, allowing developers to embed or extend them and to build on the engine using packages such as @pascal-app/viewer, @pascal-app/editor, @pascal-app/core, and @pascal-app/ifc-converter.
The platform is MIT-licensed and developed openly, encouraging community contributions and customization. Pascal Editor is accessible as a web application, with additional components available for integration into other products. Its open-source nature and broad feature set make it suitable for a variety of applications in architectural design, digital twin creation, and 3D space management.
Pascal Editor sits in PulseGate's 3D, motion & animation category. Allowing users to design, build, and share 3D architectural projects easily in the browser. It is built as an open-source project for architects and home designers. Pascal Editor is open source under the MIT license. It runs on the web.
Pascal builds and maintains Pascal Editor, and the product first shipped in 2026. Development happens publicly on GitHub with 17.1k stars and 639 commits in the last 90 days. Key capabilities include 3D modeling, architectural planning, and IFC import.
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