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OCCTSwift

OCCTSwift documentation

A comprehensive Swift wrapper for OpenCASCADE Technology (OCCT 8.0.0) — B-Rep solid modeling, CAD data exchange, meshing and geometry for macOS / iOS / visionOS / tvOS. Three-layer architecture: Swift public API → Objective-C++ bridge → OCCT C++.

import OCCTSwift

guard let box = Shape.box(width: 10, height: 10, depth: 10),
      let cyl = Shape.cylinder(at: SIMD3(0, 0, -8), direction: SIMD3(0, 0, 1),
                               radius: 3, height: 16) else { return }
let drilled = box.subtracting(cyl)          // a box with a through-hole
try drilled?.writeSTEP(to: outputURL)       // exact B-Rep, ready for CAD/CAM

Cookbook

Task-oriented, example-rich guides — each a short bit of prose plus runnable Swift and a rendered figure. Start here:

  • Booleans — union / subtracting / intersection, fuzzy value, glue, timeout, self-intersection checks.
  • Cookbook index — all areas (more landing progressively).

Reference

Project