OMNI Pentagonal Cushion

by Robert W. Strickland 9/2/97
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DataVueopen
L/W
102%
Design RI
1.63
H/W
62%
Gear
80
V/W³
0.208
Symmetry
5 (mirrored)
Facets
81
Tiers
10
Crown
15
Pavilion
66

USFG Newsletter, Vol. 7 No. 3, Sep. 97, p. 9

Steps 1, G1, and G2 form an OMNI preform. The girdle line of this preform will not be level.

Wireframe

OMNI Pentagonal Cushion 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 2141830344650626678
OMNI: Establish size
G290.00°
8016324864
OMNI: meet 1-2-G1
P170.18°
8016324864
Level girdle
P269.72°
 2141830344650626678
Level girdle
P343.00°
80 610162226323842485458647074
Meet at TCP
P441.70°
 3131929354551616777
Meet 1-2-3

Crown

#AngleFacetsNotes
C133.00°
8016324864
Establish girdle thickness
C231.00°
 2141830344650626678
Level girdle
C326.43°
 4122028364452606876
Meet A-B at girdle
T0.00°
80
Meet A-B-C