Quote:
Originally Posted by silveroxide
DAVENPORT:Send me a quick overview. I can do two mold castings but the horse is a four or three mold cast. If I make the mold out of plaster, it will have a short life span. Rubber silicon mold for this size will be expensive for the compounds and the resin or castolite material would be just as well. There is a wood putty powder mix that is good for casting but I have never tried it with a plaster since it will adhere to the porous material, but it works well with latex molds.
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My thought was to mold the animal in separate pieces so that you are working with several two-mold sections. I like the wood putty reinforced with mesh-type drywall tape for strength. For reuse, I seal the mold side with polyurethane lacquer.
With paper mache, you should get a virtually unlimited number of pulls from the mold.