To Clip a Layout Viewport Boundary

1. Click Modify > Clip > Viewports.
2. Select the viewport to clip.
3. (Optional) Enter d (Delete) to delete an existing clipping boundary.
4. Do one of the following:
   • Enter p (Polygonal) to specify a series of points to define a polygonal boundary.
   • Select a paper space object that will define the new viewport boundary.