Dimension templates with metric units of measure are delivered in the [Reference Data Folder]\SharedContent\Drawings\Catalog\Dimensions\Templates folder. This is the default folder used by the software. Dimension templates with metric units of measure have the dimension style ISO.
Dimension templates with imperial units of measure are delivered in the [Reference Data Folder]\SharedContent\Drawings\Catalog\Dimensions\Templates - Imperial folder. Each dimension rule uses one or more dimension templates. Dimension templates with imperial units of measure have the dimension style ANSI.
To use the dimension templates with imperial units of measure as the default values, rename the Dimensions\Template folder. For example, you can rename the default folder to Dimensions\Template - Metric. Then, rename the Dimensions\Template - Imperial folder to Dimensions\Template.
Templates for 3D manual dimensions are delivered in the [Reference Data Folder]\SharedContent\Drawings\Catalog\Dimensions\3D folder.