Sheet Metal HELP PLEASE!!!!!

I'm trying to create a sheet metal and flat it from this geometry, but
I'm not quite sure, how can I do that... There is anyone out there, can
help me????

Thank you very much.

Here the part.

http://pg.photos.yahoo.com/ph/acnev...dnm=aabdre2.jpg&.src=ph&.tok=phOlz4EBBBtQ0s1L

 

Cannot confirm nor deny that you can or can't do this in an existant or
non-existant beta or other version of current or future software.

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Alternative would be something like Blankworks.