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Image: reddit.com · I wanted Onshape that works offline, so I built my own free CAD program

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FreeShape: an offline Onshape-style CAD program

A free, open-source parametric CAD program modelled on Onshape that runs offline, built by one person with a lot of help from Claude.

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Credits

  • Repository account richiewillmott Source ↗
Code ↗

The full story

FreeShape is a free, open-source parametric CAD program that works like Onshape but runs entirely on the user's own PC, with no account or internet. It has constrained sketches, extrude, revolve, fillets, STEP import and export, assemblies with mates, 2D drawings and sheet metal, and is built on OpenCascade.

The maker says they built it with a lot of help from Claude, which made a project this size possible for one person. It is early, and they warn to expect rough edges.

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: I wanted Onshape that works offline, so I built my own free CAD programForum threadRemoved by moderatorsreddit.com

    The maker's post on r/3Dprinting.

    The subreddit's moderators removed it, but the original is still readable (it can take a few seconds to load): archived copy of Reddit: I wanted Onshape that works offline, so I built my own free CAD program (opens in a new tab)

  • The code: github.comCode or repositorygithub.com
    Repository account: richiewillmott

    The project on GitHub.

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