The active SolidWorks document must be a part (*.SLDPRT) with SINGLE solid body.

To start unfold:
or click 3DQuickPress, Unfold Part, Unfold PartTo unfold a part using non-planar fixed face:

1. Select
Unfold Part from 3DQuickPress Tool Bar
2. Uncheck the Advance check box
3. Select the external cylindrical face as the fix face
4. Select vertex P as the vertex (You must split the outer and inner face)
5. Click
OK when finished
6. RMS
Sheet Metal Object and select Unfold All

