Craftster user Teag explains how to use soda cans to make these simple but attractive stars. You can decoupage them with patterned papers, or leave them as-is for some recycled sparkle. These would look great strung up in a mobile. Link.

Related:
Recycled Sodapop Charms - Link.

The New York Times has a great feature on artist Cal Lane, who creates intricate lacework sculptures using a torch on old steel items such as wheelbarrows and shovels. Link.