I stopped by Ace Hardware today and saw these sheet metal gutter thingies that were somewhat rounded but overall smooth. I 12 of them at $2.99 each and found that they worked great! All I did was unroll them a bit and flatten them, outline the shape I wanted in marker, then cut it out with some scissors (it's pretty thin, but thick enough). The coolest thing was that it's already silver! I just scuffed the pieces up a bit, rounded them to the desired shape after cutting them out and they work really nice. It's really nice for making Jango armor as well because it's really rounded and easy to bend for the shin guards. I'll try getting pics up sometime tomarrow.