Deleting all traces and vias in the design.

Version 1

    If you ever wanted to start over and delete all the traces and vias in a design than take a look at this TechNote:

    http://supportnet.mentor.com/?do=reference.technote&id=MG587258&prod=C107-S114-G192-P10287&lang=en&snw_source=pro&referringNode=portal