Part Modeling > Datum Features > Datum Planes > To Adjust Datum Display by Reference
  
To Adjust Datum Display by Reference
You can size datum planes to visually fit a part, feature, surface, edge, axis, or radius.
1. Right-click the datum plane in the Model Tree or graphics window and choose Edit Definition from the shortcut menu. The Datum Plane dialog box opens.
 
* You can also adjust the size of the datum plane during the creation of the datum plane.
2. Click the Display tab.
3. Select the Adjust outline check box.
4. Select Reference in the box to size the datum plane to a selected reference.
 
* To select a feature as the reference, set up the selection filter to exclusively select features and filter out datum coordinate systems and datum point features that include single points.
5. Click the reference collector, and then select a part, feature, edge, axis, or surface as a size reference.
6. Click OK.