AutoCAD 2008 User's Guide > Create and Modify Objects > Change Existing Objects > Modify Objects > Change the Size and Shape of Objects > Trim or Extend Objects > 
Trim or Extend Objects
Concept Procedure Quick Reference
 
 
 

To extend an object

  1. Click Modify menu Extend.At the Command prompt, enter extend.
  2. Select the objects to serve as boundary edges.

    To select all displayed objects as potential boundary edges, press ENTER without selecting any objects.

  3. Select the objects to extend.
 Toolbar: Modify 
 Command entry: EXTEND