PC 19.003

Keystone Variation

Steele, Norman W; Seattle F Design, Jun 70
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L/W
105%
Design RI
1.54
H/W
57%
Gear
96
V/
0.164
Symmetry
1 (mirrored)
Facets
53
Tiers
10
Crown
4
Pavilion
49

Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334;

Wireframe

Keystone Variation 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
963066
G290.00°
48
P160.00°
963066
P260.00°
48
P350.00°
963066
P440.00°
963066

Crown

#AngleFacetsNotes
C140.00°
963066
C225.00°
48
C315.00°
1581
T0.00°
96