Flatten surface is only available in solidworks premium and is really the last chance for a part to be flattened from a 3d shape in automated way.
Design a sheet metal part from the flattened state.
In the propertymanager under bend parameters.
Click insert bends or click insert sheet metal bends.
The flat pattern is created and displays.
The name of the face is displayed in the fixed face or edge box.
The fixed face remains in place when the part is flattened.
In the view manager define a combined state of orientation and flat rep by clicking new and typing in a name for the flat view.
Choose the flat representation of your sheet metal part and click edit.
To toggle between flat and 3d representations of a sheet metal part.
In the browser double click the folded model node to return to the folded model state or.
To create a sheet metal part from the flattened state.
Choose redefine in the drop down menu.
In the options window change the simplified rep to flat and click ok.
It is designed for materials like cloth or leather but can be used for metal if there will be forming involved.
Open a new part.
Design a sheet metal part to meet unique sheet metal design challenges like manufacturability solid edge streamlines the entire sheet metal product development process from cad design through flat pattern and drawing development.
A flat pattern node is created in the browser.
Upholstery clothing even carbon fiber layups can be calculated using this feature.
With a single body sheet metal part open on the ribbon click sheet metal tab flat pattern panel click create flat pattern.
You may want to design a sheet metal part from the flattened state.
Create a part by sketching the part profile then extruding a thin feature part.