To Trim a Volume
1. In the Model Tree, click the volume feature that you want to trim and select 
Redefine Mold Volume or Redefine Die Volume from the mini toolbar. The Edit Mold Volume or the Edit Die Volume tab opens.
Redefine Mold Volume or Redefine Die Volume from the mini toolbar. The Edit Mold Volume or the Edit Die Volume tab opens.2. Click 
Trim To Geometry. The TRIM TO GEOM dialog box appears.
Trim To Geometry. The TRIM TO GEOM dialog box appears. | The Trim To Geometry command is also available during feature creation. |
3. Use the options on the TRIM TO GEOM dialog box to trim the volume.