This Instructable will cover the general process I followed to cast an aluminum (or aluminium) bowl, a replica of a glass kitchen bowl. This is the story of scrap aluminum, melted to a complete liquid, and remade into something awesomely new. My guide will not go into great detail as to the construction of the furnace, the molding flasks, or the crucible tools. See more about these in the Requisites section.
Before we begin, I'd like to throw in the necessary word on safety. Safety isn't always fun or exciting, but the hospital is less so. Don't pour molten aluminum or slag onto concrete as this will create violent (really - these are forceful) exlosions that will propel molten or just-solidified chunks of aluminum many yards into the air and sideways. I know from personal experience. Also, wear safety glasses, boots, and jeans. These are great for those insignificant but annoying cinders that make little burns. Alright - enough "safety" talk, let's get melting!
If I were to explain everything I did to make the aluminum bowl, this Instructable would be 70 pages long. Thus, is is prudent to list off some things that you will need as basics to this casting project. Here we go: