Creo Flexible Modeling > Recognizing Rounds and Chamfers > To Recognize Geometry as Not Rounds
  
To Recognize Geometry as Not Rounds
1. Click Flexible Modeling > Rounds/Chamfers > Not Rounds. The Not Rounds dialog box opens.
2. Select a surface or surfaces to tag as not rounds. If needed, click Details to open the Surface Sets dialog box.
3. To propagate the not rounds feature to all instances such that the pattern, mirror, or symmetry is maintained, click the Options tab, click the Pattern/Symmetry/Mirror Feature collector, and select the pattern, mirror, pattern recognition, or symmetry recognition feature.
4. Click OK. A Not Rounds feature is created.