Offsetting Objects in AutoCAD

Offsetting creates a new object that is similar to a selected object but at a specified distance. You can offset lines, arcs, circles, 2D polylines, ellipses, elliptical arcs, xlines, rays, and planar splines. Offsetting circles creates larger or smaller circles depending on the offset side. Offsetting outside the perimeter creates a larger circle. Offsetting inside creates a smaller one.

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To offset an object by specifying a distance

  1. From the Modify menu, choose Offset.
  2. Use the pointing device to specify the offset distance, or enter a value.
  3. Select the object to offset.
  4. Specify which side to offset.
  5. Select another object to offset, or press ENTER to end the command.

Command line OFFSET
System variables OFFSETDIST stores the current offset value. OFFSETGAPTYPE controls how to offset polylines when a gap is created as a result of offsetting individual polyline segments.
In the following example, you offset the polyline border of the room so that the wall aligns with the door frame.

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To offset an object through a point

  1. From the Modify menu, choose Offset.
  2. Enter t (Through).
  3. Select the object to offset.
  4. Specify the offset point (1).
  5. Press ENTER to end the command.

OFFSET cannot be used on 3D faces or objects.

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