To Associate or Reassociate a Dimension

Click Drafting tab > Dimension panel > Reassociate Dimension.
Note: Hidden by default. Click to display the icon on the tool set panel.
Select one or more dimensions to associate or reassociate.
Do one of the following:
- Specify the new location of the extension-line origin point.
- Enter s and select a geometric object to associate with the dimension.
- Press Enter to skip to the next extension-line origin point.
- Press Esc to end the command but keep any associations you made up to that point.
Repeat the previous step as needed.