Triga Light House: Faceting Design Diagram
Successful tips and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Triga Light House"
Triga Light House (MC72.JRG)
By Jeff R. Graham
80.2% Light Return
Angles for R.I. = 1.54
58 facets + 6 facets on girdle = 64
3-fold, mirror-image symmetry
L/W = 1.036 T/W = 0.509 T/L = 0.492
P/W = 0.420 C/W = 0.194
H/W = (P+C)/W+0.02 = 0.633
P/H = 0.663 C/H = 0.306
Vol./W^3 = 0.204
Addition # 7 - This is brighter than the ray trace might lead you believe. Cut it in lightly saturated material, notice that it's deep. This is similar to my original "Light house" cut, only in a trillion shape, of course. Cut this in refractive indexes 1.54 to 1.93 (86%) with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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