tangency-labs/solidcraft

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中文 SolidCraft 是用纯 Rust 编写的开源参数化 3D CAD 应用，通过草图、约束和特征时间线构建实体模型，修改尺寸后模型会自动重建。它提供桌面端、浏览器端、无头 CLI 和内置 MCP server，便于 AI Agent 直接参与建模。项目仍处早期，但已有 75 个公开参考零件的体积、面积、质心与包围盒通过校验。适合需要参数化零件设计、装配与钣金功能，并希望以脚本或 Agent 驱动建模的工程师与开发者。

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<h1 align="center">SolidCraft</h1>

<p align="center"> <strong>An open-source parametric 3D CAD application built in pure Rust.</strong><br /> Sketch, constrain, and build solids with a parametric feature timeline. Change a dimension and watch your model rebuild. Run it on your desktop, in your browser, or let AI agents model through the built-in MCP server. </p>

[![Download for Windows][badge-windows]][windows-msi] [![Download for macOS][badge-macos]][macos-dmg] [![Download for Linux][badge-linux]][linux-appimage] [![Get it from the Snap Store][badge-snap]][snap-store] [![Try it in your browser][badge-web]][web-app]

</div>

<p align="center"> <a href="https://solidcraft.io">Website</a> · <a href="https://solidcraft.io/download">Download</a> · <a href="https://solidcraft.io/app">Try it in the browser</a> · <a href="https://docs.solidcraft.io/">Documentation</a> · <a href="https://www.blacksmith.sh"><img src="https://img.shields.io/badge/CI-Blacksmith-000000?logo=githubactions&logoColor=white" alt="CI powered by Blacksmith" /></a> <a href="https://discord.gg/FtU4NQNVDH">Discord</a> · <a href="https://github.com/bherbruck/solidcore">SolidCore</a> </p>

SolidCraft: model a Raspberry Pi 4 case from an empty design: a sketch dimensioned with parameters, extrude, fillets and shell, a rim rounded in one pick, standoffs patterned on the board's mounting holes, port cut-outs, vent slots, "Pi 4" engraved in a font, a PETG material with its mass in Properties, and a height change in Parameters

A Raspberry Pi 4 case from an empty design: a sketch dimensioned with the board's parameters, extrude, fillet, shell, the rim rounded in one pick, an M2.5 standoff patterned on the 58 × 49 mm hole rectangle, port cut-outs, vent slots, "Pi 4" engraved in DejaVu Sans Bold and a PETG material defined in the design, with its mass in Properties, then height 24 → 32 mm in Parameters and it all rebuilds. 6× playback with the idle pauses cut. Full video, recorded with the demo script.

Download

Windows: the [installer][windows-msi].
macOS: the [disk image][macos-dmg] (Apple silicon and Intel).
Linux: the [AppImage][linux-appimage], or sudo snap install solidcraft ([Snap Store][snap-store]).
Web: [try it in your browser][web-app], no install.

ARM64 and 32-bit builds, portable zip, .deb, .rpm, Flatpak and the other packages are on the downloads page. The downloads aren't signed yet: on Windows choose More info, then Run anyway in SmartScreen; on macOS right-click SolidCraft and choose Open the first time. On SolidCraft 0.11 to 0.14, download once by hand; see updating.

What works

Early but usable for simple parts: 75 of 76 public reference parts match their analytic or FreeCAD-computed volume, area, centre of mass and bounding box (oracle); the other is a tracked bug.

Sketches and constraints: lines, arcs, splines, text and more, solved by our own constraint solver, with parameter-driven dimensions.
Features: extrude, revolve, sweep, loft, fillet, chamfer, shell, draft, holes, threads, patterns, mirror, split and combine on an editable parametric timeline.
Parameters and configurations with unit-aware expressions.
Assemblies with joints, motion studies, contact sets, interference and mass properties.
Sheet metal with flanges, hems, fold/unfold and flat patterns, and plastic enclosure features.
Files: STEP, IGES, 3MF, STL, OBJ and glTF in and out where supported, URDF export, .solidcraft designs.
Desktop app, browser app, headless CLI and MCP server, all running the same commands.

The full list is in docs/capabilities.md and docs/features.md; status and plans are in ROADMAP.md. See also what people built, 3D mouse support and the architecture.

Build from source

cargo run --release -p solidcraft -- --sample      # desktop app with a sample part
cargo run --release -p solidcraft-cli -- commands  # the command registry
cargo run --release -p solidcraft-cli -- run examples/bracket.json --out bracket.step
cargo xtask ci                                     # fmt, clippy, tests, icons, assets, layers, wasm

More commands, the Windows cross-build and the browser build are in docs/building.md.

AI agents (MCP)

solidcraft-cli mcp is a Model Context Protocol server. Headless it runs its own design session, or with --connect it drives the running app so you can watch. Claude Code: claude mcp add solidcraft -- solidcraft-cli mcp. Tools, access rules and an example session: docs/mcp.md.

Scripts

A script is a JSON list of the same commands the UI runs, executed with solidcraft-cli run. Format and example: docs/scripts.md. Pages can also be driven through the browser command API.

Contributing

Help is welcome. CONTRIBUTING.md covers how to build and test, the code map, the clean-room and licence rules, and where help is wanted most. Open work is in GitHub issues; chat is on Discord.

Licence

MIT OR Apache-2.0, at your option. Developed under the clean-room contribution rules; third-party code and assets retain their documented licences and attribution.

SolidCraft is independent. Behaviour is designed from public documentation, general CAD conventions and user feedback. Reference tests use analytic values and open-source tools. SolidCraft is not affiliated with, sponsored by or endorsed by Autodesk, Dassault Systèmes, PTC, Siemens or any other CAD vendor. Fusion, AutoCAD, Inventor, SolidWorks, Onshape, Creo, Blender and Tinkercad are trademarks of their respective owners, named only to describe compatibility (see NOTICE).

[badge-windows]: https://img.shields.io/badge/Windows-Download-0078D6?style=for-the-badge&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0id2hpdGUiPjxwYXRoIGQ9Ik0yIDJoOS41djkuNUgyek0xMi41IDJIMjJ2OS41aC05LjV6TTIgMTIuNWg5LjVWMjJIMnpNMTIuNSAxMi41SDIyVjIyaC05LjV6Ii8%2BPC9zdmc%2B [badge-macos]: https://img.shields.io/badge/macOS-Download-333333?style=for-the-badge&logo=apple&logoColor=white [badge-linux]: https://img.shields.io/badge/Linux-AppImage-E95420?style=for-the-badge&logo=linux&logoColor=white [badge-snap]: https://img.shields.io/badge/Snap-SnapStore-82BEA0?style=for-the-badge&logo=snapcraft&logoColor=white [badge-web]: https://img.shields.io/badge/Web-Tryinbrowser-2EA44F?style=for-the-badge&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJ3aGl0ZSIgc3Ryb2tlLXdpZHRoPSIyIj48Y2lyY2xlIGN4PSIxMiIgY3k9IjEyIiByPSIxMCIvPjxwYXRoIGQ9Ik0yIDEyaDIwTTEyIDJhMTUgMTUgMCAwIDEgMCAyME0xMiAyYTE1IDE1IDAgMCAwIDAgMjAiLz48L3N2Zz4%3D [windows-msi]: https://github.com/tangency-labs/solidcraft/releases/latest/download/solidcraft-windows-x64.msi [macos-dmg]: https://github.com/tangency-labs/solidcraft/releases/latest/download/solidcraft-macos-universal.dmg [linux-appimage]: https://github.com/tangency-labs/solidcraft/releases/latest/download/solidcraft-linux-x8664.AppImage [snap-store]: https://snapcraft.io/solidcraft [web-app]: https://solidcraft.io/app