How to create bend lines or bend axis of a flatten hopper?

Dear all,

      I'm a Creo 2.0 M100 user, in my company we use to offen manufacture steel hoppers (like the example in the attached picture). These hoppers are not calendered but made by traditional bending machines, so would be appreciable for the workers to receive a laser cutted sheet metal with alredy traced bend lines on it.
Is there a method to achieve this result?

Thanks in advance

Regards

Sample hopper

develop on drawing, without bend lines by default