Creo Flexible Modeling > Recognizing Rounds and Chamfers > To Recognize Geometry as Not Chamfers
  
To Recognize Geometry as Not Chamfers
1. Click Flexible Modeling > Rounds/Chamfers > Not Chamfers. The Not Chamfers dialog box opens.
2. Select a surface or surfaces to tag as not chamfers. If needed, click Details to open the Surface Sets dialog box.
3. To propagate the not chamfers 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 Chamfers feature is created.