Six Pack
GemCad Ray Traces for RI = 1.54
Random Model Cosine Model ISO Model
Six Pack
Designed by Bob Keller 12.08.01 Bob Keller
Angles for R.I. = 1.54 43 facets + 6 facets on girdle = 49
3-fold mirror-image symmetry 96 index
L/W = 1.155 T/W = 0.311 T/L = 0.269 P/W = 0.516 C/W = 0.243 H/W = (P+C)/W+0.02 = 0.779 P/H = 0.663 C/H = 0.312
Vol./W^3 = 0.299 Brightness at 0° tilt for RI = 1.54 COS = 84.3 ISO = 90.3
Pavilion
1 90.00 96-16-32-48-64-80 Cut to equal depth, set size
2 56.82 96-16-32-48-64-80 Match 1, cut to equal depth
3 41.80 08-24-40-56-72-88 Meet 1.2.2.1 and culet
Crown
a 43.50 96-16-32-48-64-80 Match 1, level upper girdle line
b 32.29 04-12-20-28-36-44-52-60-68-76-84-92 Meet 1.a.a.1
c 26.53 04-28-36-60-68-92 Meet b.a.b
d 22.20 96-32-64 Meet a.b.c
e 34.00 16-48-80 Meet b.c.d
t 0.00 Table Meet d.c.b.e

The Six Pack Design File is available for GemCad users.


Index of Gem Designs

Perfect Transfer Index

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© Bob's Rock Shop Bob Keller