[Jewelry making - Article 01361] - Re: [Orchid] Designing settings with CAD for 3D printing

[Wayne Emery]

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Bruce,

    Extensive testing with various waxes, growing materials and
    investments has shown that the wax or growing material does not
    shrink. The investment expands. 

    Same effect. Depending on your investing procedures and the
    materials used you may experience very little to maybe 6%
    "shrinkage". Experimentation will soon give you a direction for your
    own procedures; there is no correct universal answer. 

    In Rhino or Matrix, the 3D Scale tool in the Transform Menu is what
    is used. See the "HELP" file if you need more, but it is very
    simple. 

Good luck on the journey!
Wayne Emery

 
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