[Jewelry making - Article 00939] - Re: [Orchid] Rendering a diamond in Rhino / Flamingo

[Jeffrey Everett]

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    Here's a tip for you. If you're using the diamond pattern from
    3D-Lapidary, you'll want to re-create the diamond with NURBS using
    the endpoints of the meshes, deleting the meshes as you work through
    them. The process only takes a few minutes. 

    Once you have the diamond in a NURBS format, group or join the crown
    and pavilion into two separate objects. Assign about 90% transparency
    to the top using the RI for diamond. Make the bottom opaque and 100%
    mirror, no color. 

    For the render to look right, you will need to use a large white
    plane above the diamond to give the lighting something to work with.
    A spherical background helps a lot as well. I like to use Jeff's
    Sunroom which I flattened first with HDRI-Shop. Any background will
    work, but one that is not too colorful may be best. Play with you
    lighting a bit and you'll find what is optimal. I like to put a light
    almost directly over the diamond, and a couple more at different
    angles, one near the camera, and one in the far corner. 

    Once rendered, I recommend using PhotoShop or something similar to
    enhance the image, bring up the contrast and taking out any unusual
    coloration from the background. You'll find the background also helps
    the gold to render more realistically. 

    Frequent the Rhino NG too, great help there. 

    Any questions, feel free to email me directly if you like... 

Jeffrey Everett


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