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  2. mechanical - Recent models | 3D CAD Model Collection …

    WEBThe GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. Join the GrabCAD Community today to gain access and download!

     
  3. Free 3D models, CAD files and 2D drawings - TraceParts

  4. Mechanical Toolset in Autodesk AutoCAD | Features

  5. Online CAD Drawing Software & Free Learning Resources - Onshape

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