Show HN: Popkern – open-source CAD kernel with G2 corner blends, browser IDE

Category: devtools

Tags: cad, brep, rust, kernel, scripting, browser-ide

Score: 7.5/10 (Innovation: 8, Technical: 9, Documentation: 7, Utility: 6)

Popkern is an open-source BRep CAD kernel in Rust with a browser IDE, scriptable parts via Rhai, and MCP support for AI agents. It implements advanced CAGD features like G2 corner blends, exact booleans, and watertight tessellation, aiming to be a research-class yet accessible kernel.

Target audience: mechanical engineers, CAD developers, makers, and AI agent integrators

Repository: https://popkern.dev/ · Rust · AGPL-3.0 · 8 stars

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