Show HN: FluidCAD – Parametric CAD with JavaScript

Re:Show HN: FluidCAD – Parametric CAD with JavaScript by c_chenfeng on Saturday April 11, 2026 @05:25AM (#47729006)

This is a really interesting direction.

Using JavaScript for parametric CAD feels like it could significantly lower the barrier compared to traditional CAD tools.

Curious — how do you handle performance for more complex models? Especially when the dependency graph grows large.

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Re:Show HN: FluidCAD – Parametric CAD with JavaScript by maouida on Saturday April 11, 2026 @05:42AM (#47729086)

I have added a caching mechanism; objects are computed only when their parameters change. When an object change, all objects after it will recompute. This will probably need to be revised in future with more efficient algorithm to find what objects are affected by the change and recompute only those.

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