Look at part tree.
Solidworks sheet metal lofted bends.
Under manufacturing method select bent.
To find out more about lofted bends you need to dig a little deeper into help and do a search for bent lofted bends unfortunately at this current time i am only able to find information about formed lofted bends in the solidworks training manual for sheet metal.
Set bend radius to 0 03in and k factor 0 5 and ok.
The base flange feature is not used with the lofted bend feature.
The bent manufacturing method creates real physical bends rather than formed geometry and approximated bend lines in a flat pattern.
Click lofted bend sheet metal toolbar or insert sheet metal lofted bends.
Click sheetmetal insert bends click flat face as reference when it flatten.
To view this part in flatten form click sheetmetal flatten.