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Creating regions

You can convert a closed entity into a two-dimensional region. After you create a region, you can modify it using the various three-dimensional tools. For example, you can create a region from a square, and then extrude the square to create a three-dimensional cube.

You can create regions from closed entities, such as polylines, polygons, circles, ellipses, closed splines, and donuts.

Creating regions typically has no visible effect on a drawing. However, if the original entity had a width or lineweight, that information is lost when you create the region.

To create a region

  1. Do one of the following:
    • Choose Modify > Region.
    • On the Modify toolbar, click the Region tool ().
    • Type region and then press Enter.
  2. Select the entities to create the region.
  3. Press Enter.

    The command bar displays a message that describes how many regions were created.

Creating three-dimensional entities

Create composite solids

Create extruded solids

Create revolved solids

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