Novice 12 by Fred Van Sant

GemCad Ray Traces for RI = 1.7
Random Model Cosine Model ISO Model

Novice 12
Designed by Fred Van Sant Oct 2000
Angles for R.I. = 1.7+ 39 facets + 12 facets on girdle = 51
4-fold, mirror-image symmetry (6-fold pavilion) 96 index
L/W = 1.000 T/W = 0.566 T/L = 0.566 P/W = 0.435 C/W = 0.129 H/W = (P+C)/W+0.02 = 0.583 P/H = 0.745 C/H = 0.220
Vol./W^3 = 0.191 Brightness at 0 degrees tilt for RI = 1.7
COS = 73.9 ISO = 82.6
Pavilion
p1 43.00 04-12-20-28-36-44-52-60-68-76-84-92  
g 90.00 04-12-20-28-36-44-52-60-68-76-84-92  
p2 41.00 96-16-32-48-64-80  
Crown
c1 36.00 04-20-28-44-52-68-76-92  
c2 44.78 12-36-60-84  
c3 30.83 02-22-26-46-50-70-74-94  
t 0.00 Table  
This design replaces the older Novice-12.

The Novice 12 Design File is available for GemCad users.


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Bob Keller