Easy Tri: Faceting Design Diagram
Detailed information and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Easy Tri".0
Easy Tri (MC7.JRG)
By Jeff R. Graham
83.7% Light Return
Angles for R.I. = 1.54
31 facets + 12 facets on girdle = 43
3-fold, mirror-image symmetry
L/W = 1.001 T/W = 0.536 T/L = 0.535
P/W = 0.399 C/W = 0.175
H/W = (P+C)/W+0.02 = 0.593
P/H = 0.672 C/H = 0.295
Vol./W^3 = 0.187
Addition # 4 - This is quick and easy to cut, I designed it for small stones 4-8mm is best. I use it a lot for earrings, it works well in Garnet, Tourmaline, Quartz... Cut this in R.I. 1.54 to 2.14 without changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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