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Step 10Making the mold
If you don't want to make a mold, just some metal blobs (ingots), you can pour the molten aluminum into a muffin tin. The ingots can be re-melted later if you need the metal.
Making a sand mold is easy. All you need is some sand and a way to imprint a design in it.
You could do this with a stick or something, but it probably wouldn't turn out well. I find you get the best results when you use something with a 3-D pattern on it. In this instance I used some pottery, I found at the flea market.
If you have a friend (or friends) working with you, they could make a cool design, while you melt the metal.
Now all that's left to do is prepare your work-space.
Making a sand mold is easy. All you need is some sand and a way to imprint a design in it.
You could do this with a stick or something, but it probably wouldn't turn out well. I find you get the best results when you use something with a 3-D pattern on it. In this instance I used some pottery, I found at the flea market.
If you have a friend (or friends) working with you, they could make a cool design, while you melt the metal.
Now all that's left to do is prepare your work-space.
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Other than that, nice instructable. It's ghetto-tastic, just the way I like it!
Read how to make casting sand here:
http://www.ehow.com/how_6065035_mix-sand-casting-aluminum.html