learn solidworks features extrude and Revolving by video tutorial practice exercises

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This SolidWorks  tutorial describes how to extrude your sketches to turn them into 3D solid objects

If you are familiar with SolidWorks and you have done some CAD work before then you are very familiar with an Extrude feature. It's the basis for a lot of parts. But there is a lot of handy functionality build into the Extrude feature that most people don't know about

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Revolves add or remove material by revolving one or more profiles around a centerline. You can create revolved boss/bases, revolved cuts, or revolved surfaces. The revolve feature can be a solid, a thin feature, or a surface.
To create a revolve feature, use the following guidelines:
The sketch for a solid revolved feature can contain multiple intersecting profiles. With the Selected Contours pointer (available when you click Selected Contours in the PropertyManager), you can select one or more intersecting or non-intersecting sketches to create the revolve.

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