Unfolding multiple thickness part

Before start 3DQuickPress Unfold, the regions of different thickness must be separated by Split Face.

1. Click Face A and click Insert, Sketch

2. Select Edge E, click Tools, Sketch Tools, Convert Entity
3. Click Insert, Curve, Split Line, select Face A to Faces to Split
4. Click OK to finish the separation of regions
5. Click 3DQuickPress, Unfold Part, Unfold Part to start unfold
6. Select Face A for Fixed Face
7. RMS Sheet Metal Object and click User Assisted Recognition
8. Click Previous Button  to set Top and Bottom Face properly
9. Click Next Button  and Add an User Define Feature which connect the thick and thin region
10. Click Next Button   and add a new region
11. Click OK  to exist UAR mode.
12. RM select Face A, click Set Root, check  User Defined Root, click face B
13. Click OK  to exit the command.
14. Expand User Define 1 feature and right-click on step 0.
15. Select Set Face.
16. Select the top and bottom faces as shown and click OK .
    
17. Right-click on step 0 again and select Set Branch Feature Xfrom …
18. Check the option Suppress Branch and click OK .