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  1. 50 CAD Exercise Drawing | 3D CAD Model Library | GrabCAD

  2. AutoCAD practice drawings with PDF eBook - SourceCAD

  3. AutoCAD 3D Exercises & Practice drawings - cadin360.com

  4. CAD: 2D to 3D (Modelling) - The Engineer's Bible

  5. Simple AutoCAD 3D practice drawing tutorial - SourceCAD

  6. 60 AutoCAD 2D & 3D Practice Drawings & Projects - Scribd

  7. AutoCAD 3D exercises pdf for Mechanical Engineering Free …

  8. FreeCAD Exercises

  9. 150 CAD Exercises