Observed arrival · 2026-11-10
ParCAD turns CAD scripts into checked solids
An open-source parametric CAD tool lets people write models as code, inspect measured geometry, and expose the same tools to AI agents over MCP.
○Open
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People scripting small mechanical parts
- Worth noticing
- Its example catalog ranges from an ASME B16.5 flange to a twisted planter, with measured dimensions or geometry notes for individual parts.
Field notes
The page demonstrates selectors using properties such as curve type, role, and adjacent face, then shows an expectation refusing a build when the matched-edge count differs. Its examples include a gear pair whose flank gap is listed as 0.094 mm and a manifold with cross-drilled galleries described as needing to intersect. Browser access and desktop installation are both linked; the homepage labels the project experimental.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue