To Rip Deformation Areas
1. Click > 
Rip Deformation Area. The Sheet Metal Side dialog box and the Select dialog box opens.
Rip Deformation Area. The Sheet Metal Side dialog box and the Select dialog box opens.2. Choose Green Side or White Side as the selection filter.
3. Select the surfaces to rip individually or as a group.
4. Click OK to create the rips or click Cancel to quit.