BK Gem Designs 200 Design Collection by Bob Kay

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  • Product Description

      BK Gem Designs 200 Design Collection
      by Bob Kay

      GEM DESIGNS BY BOB KAY- For Gem Facetors. Conveniently produced in PDF & GemCad formats, these mostly round and some fancy cut designs are cataloged in numeric order.

      Facetors will love the simplistic designs with mostly rounded number values. Produced with GemCad, each design includes step-by-step instruction and three-plane drawing views.

      This collection of designs uses the 64, 80, 96 & 120 Index gears and is for materials with a refractive index (RI) of 1.54 - 2.16. All designs were verified for light loss using Raytrace. Angle corrections were made where necessary.

      All 200 designs should provide a variety for all levels of complexity, from very simple to downright challenging! 

      The digital download file which contains both the Adobe (*.pdf) format, and GemCad (*.gem) versions for your convenience. Total download is about 7mb. These files will be available for download from the order confirmation page with an email that will be sent to you.

      Photographic examples of some of the author's favorite cuts and more information about Bob can be found here.

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    • With advancements in technology, Lightning Lap has continued to evolve since inception. Our goal has been to help meet the needs of lapidary users everywhere. If it wasn't for the wonderful community at large, Lightning Lap wouldn't even exist. It is your honest input that has stirred the juices of thought and experimentation. Thanks to all supporters and aficionados of LL products which have come to life for you; and even for some, because of you. For without your friendship and support, none of these ideas would likely exist. Still, we must not rest on our laurels. New paths to perfecting brightness await the mind and hand!

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  • Product Details
    • SKU: BKGD-Vol6-All-200
    • In Stock: -1
    • Weight: 0.0 lb
    • Product Type: Faceting Designs