The Boundary feature in AutoCAD can be used to create a closed polyline within or around a set of geometric objects.
The resulting polyline can be used to:
- Calculate the area, perimeter, or geometric center of a room or a rotating cam or counterweight
- Create an outline of a building to use on a site plan or start a foundation plan
- Create a 3D object from the 2D polyline by extruding, revolving, or sweeping the 2D profile
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