Creo EZ Tolerance Analysis > General Workflow > Adding Features
  
Adding Features
The Add Feature command is available when the dimensions are visible in the graphics window. To see the dimensions in the graphics window, you must open the stackup table.
1. On the EZ Tolerance tab, click Add Feature. The Add Feature dialog box opens.
2. Select faces, edges, or points in the graphics window. Alternatively, click to add a width or a slab and then select two parallel faces.
3. Click Apply to continue adding more features, or click OK. The Stackup Details table opens.
4. When there are 4 or more features on a part, you can change the order of the inner ones by dragging onto to move the row up or down. After you press , it changes to , and one or more appears to indicate a place where you can move the respective row.
 
* A change in order reflects a different series of dimensions. The new dimensions are created between each of the features in the order they appear in the table.
5. Click to delete a row from the table. For example, when you want to remove a feature from the stackup so that the two dimensions between the surrounding features change to a single dimension.