1. In the Model Tree, click the volume feature and select Redefine Mold Volume or Redefine Die Volume from the mini toolbar. The Edit Mold Volume tab opens.
2. Modify the volume as required.
You can use engineering as well as transforming commands to modify the volume. On the Edit Mold Volume tab, commands in the Shape Surface Selection, Transform, and Edit Features ribbons are available only when you redefine a volume.