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TypeScript / React 19 / three.js / occt-import-js (WASM) / Vite / Vitest / Cloudflare Pages
Personal project · May 2026 — nowCAD
Orthoshot
Open a STEP file in the browser, read off its dimensions and weight, and export ten standard views in one click. No backend — the geometry never leaves the machine it was dropped onto.
- Standard views per export
- 10
- Eager JS (three off the critical path)
- 220 kB
- File uploads
- 0
- Snapshots use an offscreen orthographic camera locked to the model's original pose, routed through three's OutputPass so the PNG carries the same tone mapping and colour space as the canvas — without it every export came out darker than the view.
- STEP is parsed in-browser by occt-import-js (OpenCascade via WASM), with geometry always in millimetres because linearUnit is passed explicitly rather than inherited from the library default.
- As a Vite MPA each language is a real crawlable document; the copy sits outside #root deliberately, since createRoot() wipes that subtree on mount.