Model-Based Definition > Model-Based Definition > Creating Various Annotation Types > Dimension Properties > About the Dimension Ribbon Tab > To Transform Existing Dimensions into Basic Dimensions
  
To Transform Existing Dimensions into Basic Dimensions
1. On the Model Tree or in the graphics window, select a dimension. The Dimension ribbon tab opens.
2. In the Tolerance group, click the Tolerance list, and select Basic. The system encloses the dimension in a feature control frame.
 
* To change the dimensions back to their original status, click Nominal in the Tolerance list.
3. Click OK.
About the Dimension Ribbon Tab