Manufacturing > Mill Geometry > Mill Volumes > To Trim a Mill Volume
  
To Trim a Mill Volume
Select the mill volume quilt that you want to trim and click Mill Volume > Trim. Alternatively, click Model > Modifiers > Trim. Creo NC automatically subtracts the reference model from the current volume definition and only the remaining volume is used for machining.
To ensure that there is no gouging, Trim can also be used after offsetting all surfaces.