FreeCAD

A parametric 3D modeler for parts and design work.

  • 3D
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What it does

FreeCAD describes parametric 3D modeling and provides product information, downloads, and community learning resources.

When to use it

For a dimension-adjustable part, establish sketch constraints and inspect what happens when its parameters change.

LibreCAD

A 2D CAD application for drafting and dimensioned drawings.

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A product-development platform combining CAD and design-data management.

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OpenSCAD

A script-based solid modeler using geometric descriptions and parameters.

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