Popkern
Open-source parametric CAD kernel and browser IDE for makers
What is Popkern?
Popkern is an open-source parametric boundary-representation geometry engine for solid CAD that lets users build complex parts using simple scripts. It features a browser-based IDE, G2 corner blends, an interactive feature tree with history scrubbing, and Model Context Protocol (MCP) support for AI agents.
Who is Popkern for?
Engineers, developers, and makers who want to build solid CAD models using code.
What can you use Popkern for?
- Building parametric solid CAD parts using scripts
- Exporting models to STEP files from the command line
- Using AI coding agents via MCP to edit and build CAD projects
Key features
- Parametric boundary-representation geometry engine
- Browser-based script editing and live rendering
- Numbered migration scripts with a history scrubber
- MCP server support for AI assistants
- Booleans, fillets, chamfers, sweeps, revolves, lofts, and shelling
FAQ
What does Popkern do?
Popkern is a parametric boundary-representation geometry engine for solid CAD that allows you to build complex parts using simple scripts.
Who is Popkern for?
Popkern is for anyone who makes things and wants to create solid CAD models using code, scripts, or AI agents.
How much does Popkern cost?
Popkern is open-source and free forever.
Does Popkern support AI agents?
Yes, Popkern runs an MCP server so AI agents can list, edit, build, and export your CAD projects.
How do you install and run Popkern?
You can install Popkern via a command-line script for macOS, Linux, or Windows, and run a local browser-based live IDE.
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