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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. Photographic examples of some of the author's favorite cuts are found on the Web pages. This collection of designs uses the 64, 80, 96 & 120 Index gears. And 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. The CD with all 200 designs should provide a variety for all levels of complexity, from very simple to downright challenging! - - - - - - - IMPORTANT ORDERING INFORMATION!!!!- - - - - - - All 60 of the Corundum designs are distributed among the first 4 Volumes. Choose Vol.5 if you want just the corundum design CD. - - - - - You may also purchase Vol.6 which contains the complete set of 200 designs including the corundum, all on one CD! Also please be sure to ask for the companion GEMCAD file format for these designs, available free for the asking. Indicate this in your notes during checkout! Thanks