Building a native Swift + OpenCASCADE CAD stack for Apple platforms — and the tools and products on top of it.
OCCTSwift is an open ecosystem of Swift packages wrapping OpenCASCADE Technology (OCCT) for B-Rep solid modelling on macOS and iPad: the geometry kernel, meshing, file I/O (STEP / IGES / STL), an interactive Metal viewport, and a CLI / MCP toolchain.
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A reusable 3D viewport component for CAD applications using Metal
Identity, selection and the assembled CAD viewport service for the OCCTSwift stack. One package, three targets, merged from OCCTSwiftTools, OCCTSwiftAIS and OCCTSwiftCADKit.
EX-CommandStation firmware from DCC-EX. Includes support for WiFi and a standalone WiThrottle server. A complete re-write of the original DCC++. Doing some experiments with ESP32S3 and P4
Identity, selection and the assembled CAD viewport service for the OCCTSwift stack. One package, three targets, merged from OCCTSwiftTools, OCCTSwiftAIS and OCCTSwiftCADKit.
Bridge layer between OCCTSwift (B-Rep modeling kernel) and OCCTSwiftViewport (Metal viewport).
occtkit CLI + ScriptHarness for OCCTSwift — 26 headless verbs (compose / reconstruct / drawing-export / metrics / mesh / render-preview / XCAF / ...) over OCCT 8.0.0 BREP geometry, JSON-driven, OCCTMCP-ready
Headless CAD file I/O for OCCTSwift: STEP/IGES/BREP loading + Shape & XCAF-assembly export. No Viewport dependency. Pure-Swift mesh formats (STL/OBJ/PLY/PMX/.x/3MF) live in its companion MeshIO product.
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