Then you stick your hand into the bucket, wiggle it around to work the bubbles away from your skin, assume whatever pose you want the duplicate to have, and wait until the alginate solidifies. In order to make a copy of a hand, you mix up a batch of alginate in a bu cket big enough to give you at least h alf an inch of clearance all t h e wa y around the appendage in question. It's safe to use in direct skin contact, and you can control how fast it cures by changing the temperature of the water that you mix it with. After a f ew minutes, it hardens into a rubbery solid. To use it, you mix it with water and it turns into a gooey mess with about the same viscosity as ketchup. The ma terial itself is sold in a powdered form. This is a seaweed-based product used by dentists to take impressions of teeth and gums in order to make dentures or retainers or the like. In order to make an exact dupli cate of someone's hand, the easiest (or at least cheapest) thing to use is called Dental Alginate. For more information on how it was made, read on. Here's a picture of the finished product. My role was to provide pa rts an d technical advice. T he conversation ended with her gleeful ly agreeing to come to the workshop and put in all of the labor and pay for all of the materials required to make the project possibl e. That'll s ave me the trouble of fin ding or sculpting a copy of Harris on Ford's face." "What if it was me?" says she. "No," I repl ied, "it's ac tually easier if it's someone who can come into the workshop for lifecasting. "Sure," says I, "it's actually not such a big deal." "Does it have to be Han Solo?" says she. While I was sitting in th e cafe one mor ning, poring over photos of the original prop, my friend Jenny w andered in and asked what I was doing. So I told him I'd look into it and see what's involved. A while back a friend of min e asked me if I could help him build a replica of Han Solo encased in carbonite to hang on the wall in his basement bar (which he'd themed to look like the throne room of Ja bba the Hutt).
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