I am recreating a shape in Solidworks that was originally created out of angle iron. The angle iron is bent into a rectangular shape. It does this using stamped out cuts on the base of the angle iron (so it doesn't buckle), with the bend happening on the respective upright (see attached pictures). Can anyone offer some instructions on how to go about recreating this? I am new to sheet metal and can't seem to find any good tutorials or instructions for this type of bend on google/youtube.