Creating a Sheet
Metal Flat Pattern Configuration
You can create a configuration in a sheet metal part that shows the
flattened part.
To ensure that
all features are shown in a flat pattern, you should create the flat pattern
configuration after the entire design pattern of the part is complete.
To create a flat pattern configuration:
In a sheet metal part, create
a new configuration.
In the FeatureManager design tree:
Right-click
Flat-Pattern and select Unsuppress 
.
- or -
Select Process-Bends and all of the features
after it. Click Edit, Suppress, This Configuration to suppress all
of the selected features.