[Jewelry making - Article 00501] - [Orchid] Making molds of porous things

[Frif]

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    Try spraying or painting the surface with a hard finish material
    like shellac, acrylic, or ? that will render the article to be molded
    clean and smooth enough to get mold material on it, and not have it
    embed, Several layers may have to be applied to seal it well enough, 
    Just follow instruction on how long to dry between layers,  Of course
    a bit of detail would be lost,, but think about it,,, the porosity
    that would include any undercuts would mar the surface of the mold. 
    Sprays can fill those places.  Care must be taken to apply only that
    amount that would prevent mold material (or investment) to get stuck. 

    The idea about using latex in layers is a good one, but I would also
    use the spray before doing that method 

    This can also be used for burnout skipping the mold step,  But I sure
    like the idea of having a mold of a great thing!   

Frif


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