Use AutoCAD's "Extrude" and "Revolve" commands to turn 2-D designs into 3-D models. "Extrude" is how 3-D modelers to refer to the technique of stretching a 2-D shape into 3-D space. AutoCAD performs ...

Before 3D modeling, the only way of finding interference was by looking at two dimensional drawings or 2D models. Unfortunately, some problems were not found until construction was underway. Engineers ...

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