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Forgecad 3d Reconstruction

kostard/forgecad-public-kit

You've got an STL or STEP file and need it as editable ForgeCAD geometry, not just an imported mesh. This skill walks Claude through the full reverse engineering loop: inspect the source file directly, write actual parametric code (never just wrap it in an import), then iteratively compare with `forgecad compare 3d` to measure RMS error, coverage, and volume delta. The workflow is structured around a blockout-first approach and numeric scoring at increasing fidelity. Scores above 95 mean you nailed a simple part, 90+ is solid for typical mechanical geometry, 80+ is acceptable for organic shapes. The source is evidence, the deliverable is readable `.forge.js` that reconstructs intent, not vertices.

GitHub stars
851
last updated
Jun 10, 2026
View on GitHub

Install

$ npx -y skills add kostard/forgecad-public-kit --skill forgecad-3d-reconstruction --agent claude-code

Installs into .claude/skills of the current project.

Files

You've got an STL or STEP file and need it as editable ForgeCAD geometry, not just an imported mesh. This skill walks Claude through the full reverse engineering loop: inspect the source file directly, write actual parametric code (never just wrap it in an import), then iteratively compare with `forgecad compare 3d` to measure RMS error, coverage, and volume delta. The workflow is structured around a blockout-first approach and numeric scoring at increasing fidelity. Scores above 95 mean you nailed a simple part, 90+ is solid for typical mechanical geometry, 80+ is acceptable for organic shapes. The source is evidence, the deliverable is readable `.forge.js` that reconstructs intent, not vertices.

Browse the repository on GitHub

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Details

Repository
github.com/kostard/forgecad-public-kit
License
MIT
First seen
Jun 11, 2026

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