I SEARCHED THIS TUTORIAL IN MANY WEBSITES FOR MORE THAN 9 MONTHS . BUT STILL I CANNOT FIND IT. IF ANY ONE HAVE IT PLEASE POST IT. EVEN IT IS A PRO E PART FILE.
Create a sheet metal using combination of quilts and solids and then convert it to sheet metal.....then go to unbend and select the surface of cross section...either be surface or you can sketch..and you are done!!!