This is just the job to get them flutes
http://cgi.ebay.co.uk/Rotary-Swaging-Machine-for-Sheet-Metal-Swager_W0QQitemZ360023827757QQihZ023QQcategoryZ64819QQrdZ1QQssPageNameZWD1VQQcmdZViewItemQQ_trksidZp1638Q2em118Q2el1247
I bought this one and got the correct wheels from the manufacturers. So I now have swageing, wheeling, folding and rolling machines. Should be able to produce almost anything