plaster

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  1. mechanical plan

    Mold Release Options

    So I'm halfway through a two part plaster mold. I've never made a two part before and I was going to use spray silicone as a release between layers. Starting to second guess myself now. Any advice on the if that will work? Probably something I should have tested or considered before this stage...
  2. J

    Do I need a plaster sealer for casting in an UltraCal 30 mold?

    Hello guys, I want to create an UltraCal 30 mold on an Monsterclay model. After that I want to put silicone in there, but I saw in an YouTube video, that you have to put a sealer (mold soap plaster sealer, the link is below) on the walls in the inside of the plaster-mold before starting filling...

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