Lofted bends in sheet metal parts use two open-profile sketches that are connected by a loft. The Base-Flange feature is not used with the Lofted Bend feature.
The SolidWorks software contains several pre-made sheet metal parts created with lofted bends, located in <install_dir>\data\Design Library\parts\sheetmetal\lofted bends.
Characteristics of lofted bends:
K-Factor or Bend Allowance to calculate bends.
Cannot be mirrored.
Require two sketches that include:
Open profiles without sharp edges.
Aligned profile openings to ensure flat pattern accuracy.
To create a lofted bend:
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