Originally posted by Khytomer:

1) Make a second world.
2) Load up your character with metals in your old base in world 1
3) Enter world 2 and dump your stuff (in a safe location).
4) Switch to world 1 and logout at your new base.
5) Re-enter world 2 and load back up.
6) Re-enter World 1.
7) Profit.

If you do that, you might as well just use devcommands and spawn in the metal ores. Saves time and anyway you already kind of cheated already by hopping worlds.