For those who asked: The aluminum foil mold!

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Drstrangefart

Drstrangefart

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Woodstock, Ga. U.S.A.
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Here it is being made. I folded the foil in half a couple of times, making it 4 layers thick and shaped it up around an early Brooks803 blank.

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Here it is with the pre-existing blank removed.

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Here we have the filled mold in the home-made curing box. That box will cure a blank in about 30 minutes or so, even with it being like 40 degrees outside. Then it takes an hour or two to cool off.

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Annnnnnd then the mold is peeled off, leaving the blank to cool off.
 
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That is how I made my first molds. They work ok, hard to keep them straight and uniform, but they work.:wink:
 
Look out.....I just got credit for something. I just took the piece I was using for my tinfoil hat and made a mold. The told the good Dr. Drstrangefart that is.
 
Couldn't you wrap a small piece of wood in the foil on the sides so that you don't have brace up the side.
 
sumterdad said:
Couldn't you wrap a small piece of wood in the foil on the sides so that you don't have brace up the side.
Click to expand...

Anything's open for experimentation. I try to keep side bracing to a minimum, as more stuff on the sides=less heat on the foil. Less heat means slower convection and the color mixing just isn't as good.
 
I made my first 50 or so cactus blanks in foil molds. I used to tape a Popsicle stick to the outside of the mold to keep it straight and make it rigid.
 
If you wrap the foil around a round blank and pour with it standing up, you don't have to support the sides. It worked for me on my first few castings.
 
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