AutoCAD Pocket Reference. Cheryl R. Shrock

first extension); use Object Snap to select the exact location, on the object, for the extension line point.

      5. Specify second extension line origin <next>: (the “X” will appear on the second extension) use object snap to select the exact location, on the object, for the extension line point.

      6. Continue until all extension line points are selected.

      Note: You must use object Snap to specify the exact location for the extension lines.

       Regenerating Associative dimensions