The length of extension lines and the distance between dimension chains are set in the AEC dimension style, and are identical for all chains and all extension lines in the dimension. In some cases, you need to override those settings, and display varying extension lines or chain distances. Also, you might need to move individual dimension texts to a different location.
Viewing AEC Dimension Move All Chains and Edit in Place grips
AEC dimensions offer you the ability to change the display of a dimension with direct editing via grips.
Note: You can only display and move the in-place grips of an AEC dimension if the underlying AutoCAD dimension style has the correct text placement settings. To ensure this, select the AEC dimension, right-click, and click AEC Dimension Style. Then, select the display representation where you want the changes to appear, and select Style Override. If necessary, click 
, and click the Other tab. Click Edit, and in the Dimension Style Manager click Modify. Click the Fit tab, and select Over the dimension line, without a leader for Text Placement.
, and click the Other tab. Click Edit, and in the Dimension Style Manager click Modify. Click the Fit tab, and select Over the dimension line, without a leader for Text Placement. - Select the AEC dimension on which to reposition individual texts, extension lines or dimension chains, and click its Edit In Place grip. Note: Alternatively, you can click
. 
The dimension displays grip points for
- individual texts
- individual extension lines
- individual dimension chains
- Use the grips to reposition dimension texts, lengthen or shorten extension lines, and reposition dimension chains.