How long??? It's been to long!! I don't remember!! Maybe 1 1/2 hrs.???
How long does a microwave take??? The little ovens could break down the hardness of the plaster if set to hot for to long. Does a micrwave have this issue??
May I never make these things again, (study models) ,made my last one about 14 years ago.
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McKenzie Ortho. 888-996-0522
P.O. Box 23
Vida, Or. 97488
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