i am going to attempt to make a cast of a bullfrog leaping. one question. after i make the mold of the frog with latex rubber, what material do i cast it with that would be durable and have good detail? thanks for any advice.
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Forget the latex. That's fine for making a mold off of your cast, but if you intend to use it to make your original mold you are in for a lot of headaches. Use either alginate or fast set silicone for your original mold. Alginate is cheaper but not at all durable - one or two casts and it's done. Silicone is more expensive - but if you take the time to prep your frog into proper position first and cut it out casrefully - your original mold can also serve as your production mold. If you do find that you need to make a new mold and want to then use latex.. a quality silicone spray mold release followed by a high strength low viscosity urethane like por-a-kast is optimal.
I feed my snapper frogs, and someone on the board named Jim bought one from me and made a crazy cool animated mount of it...try to track him down...sorry, but I lost his email!