To Create a Dimension Substyle
Click
Home tab
Annotation panel
Dimension Style
.
Find
In the Dimension Style Manager, select the style from which you want to create a substyle. Click New.
In the Create New Dimension Style dialog box, select the type of dimension that will apply to the substyle from the Use For list. Click Continue.
In the New Dimension Style dialog box, select the appropriate tab and make changes to define the dimension substyle.
Click OK.
Click Close to exit the Dimension Style Manager.
Related Concepts
About Dimension Styles
Related Reference
Commands for Dimension Styles