[Jewelry making - Article 00653] - Re: [Orchid] Wax models for faceted stones

[Shishir Nevatia]

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Hi Dave,

    Take a few sheets of wax, depending on the stone thickness, keep the
    stone on top and mark. Remove the stone and cut the wax in the centre. 

    Keep the stone back on the wax. 

    Use a low wax iron on top of the stone to melt the wax on the sides
    and a little below and take shape of the stone. Let it sink to the
    depth necessary. 

    If the stone is larger than 4.0 mm, use a teflon tape in between the
    stone and wax, rolled to the appropriate thickness - 4% of the stone
    diameter, to compensate for the casting shrinkage. 

    Hope this works well for you. 

Regards,

Shishir Nevatia 

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