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How to to pierce features into a curved sheet metal part?

Question asked by 1-BRBJUZ on Mar 11, 2009
Latest reply on Mar 11, 2009 by 1-BRBJUZ
Could someone please take a look at this DC motor housing and suggest a best practice to model this. I started with a forming tool to die punch/draw the profile from an initial flat blank (sheet metal base flange). This attached image does not show too well several small features that are pierced into the (2) curved surfaces. It is these features which I am having trouble with because S/W 2007 does not allow me to use forming tools on non flat surfaces.