AutoCAD 2008 User's Guide > Create and Modify Objects > Draw Geometric Objects > Create Revision Clouds > 
Create Revision Clouds
Concept Procedure Quick Reference
 
 
 

To edit the individual lengths of arcs or chords in a revision cloud

  1. In your drawing, select the revision cloud you want to edit.
  2. Move the pick points along the path of the revision cloud to change the arc lengths and chords.