Novice 4 by Fred Van Sant

GemCad Ray Traces for RI = 1.76
Random Model Cosine Model ISO Model

Novice 4
Designed by Fred Van Sant
Angles for R.I. = 1.76 41 facets + 8 facets on girdle = 49
4-fold, mirror-image symmetry 96 index
L/W = 1.000 T/W = 0.550 T/L = 0.550 P/W = 0.485 C/W = 0.164 H/W = (P+C)/W+0.02 = 0.668 P/H = 0.725 C/H = 0.245
Vol./W^3 = 0.252 Brightness at 0 degrees tilt for RI = 1.76
COS = 80.5 ISO = 89.5
Pavilion
g 90.00 04-20-28-44-52-68-76-92  
1 41.00 96-12-24-36-48-60-72-84  
2 56.00 04-20-28-44-52-68-76-92  
Crown
a 46.81 04-20-28-44-52-68-76-92  
b 33.08 12-36-60-84  
c 36.00 96-24-48-72  
d 21.00 04-20-28-44-52-68-76-92  
t 0.00 Table  

The Novice 4 Design File is available for GemCad users.


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Bob Keller