Build a foundry and sand-cast aluminum.

Step 2 Legal and precautionary statements.

First off, this instructable deals with fire, molten metal, sharp edges, electrical equipment near water, burning paint/other noxious fumes, and probably some other dangers I don't even know about. If you are a clutzy, hyper, or unattentive person you really shouldn't try doing this.

By reading this instructable you agree that I am not liable for any of the numerous injuries you may incur, property damaged, people harmed, or anything else you could think to sue me over, while building and operating the foundry described within said instructable

That being said, If you follow my instructions you should have no problems with safety. I will do my best to detail the safest way to do this.