Designs
/
Keystone Variation
PC 19.003
Keystone Variation
Steele, Norman W; Seattle F Design, Jun 70
Diagram
Metrics
Rendering
Save to collection
No ratings yet
DataVue
open
L
/
W
105%
Design RI
1.54
H
/
W
57%
Gear
96
V
/
W³
0.164
Symmetry
1 (mirrored)
Facets
53
Tiers
10
Crown
4
Pavilion
49
Watermeyer, Basil; Diamond Cutting, 4th Ed. (1991) p334;
Wireframe
Pavilion
#
Angle
Facets
Notes
G1
90.00°
96
30
66
G2
90.00°
48
P1
60.00°
96
30
66
P2
60.00°
48
P3
50.00°
96
30
66
P4
40.00°
96
30
66
Crown
#
Angle
Facets
Notes
C1
40.00°
96
30
66
C2
25.00°
48
C3
15.00°
15
81
T
0.00°
96