Where to get Metal sheets?

[sandman001]

I'm toying with the idea of making a case, but don't know where to get metal?

 

[Steve978]

I used www.onlinemetals.com to get a bar of copper for a peltier plate, they seemed like a good company and they sell aluminum sheets.

 

[Crash893]

HOMEDEPOT

as much as i hate giving them biz they have sheet metal for like duct work in there hvac section