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Plastic Plaster registration keys?


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#1 koreanjohn32

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Posted 29 June 2013 - 06:01 AM

Does anybody know where I can find/buy those plastic registration keys that you insert into plaster molds? I'm doing a bunch of plaster molds for slipcasting and I just saw a commercial mold that has the keys in them. I'm finding that in tight spaces, trying to carve out plaster is tricky. Thanks in advance.

#2 Marcia Selsor

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Posted 29 June 2013 - 08:21 AM

I just made round key negatives with my trimming tools into the first section of the cast mold and then cast the other section of the mold which included the positive keys.
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#3 BeckyH

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Posted 29 June 2013 - 05:28 PM

I just twist a quarter into the plaster until it's half way down. Makes a nice smooth bump.




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