PC 15.099

Four Over Three

by Robert W. Strickland 30 June 2012
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DataVueopen
L/W
100%
Design RI
1.54
H/W
74%
Gear
96
V/W³
0.283
Symmetry
4 (mirrored)
Facets
69
Tiers
10
Crown
8
Pavilion
61

Strickland, Robert; USFG Yahoo website, June 2012;

Inspired by a design by Jim Finlayson. The pavilion starts off with 3-fold, mirror-image symmetry, but the outline and crown have 4-fold, mirror-image symmetry. The pavilion uses the retro-reflector principle.

Wireframe

Four Over Three 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 420284452687692
P165.00°
 420284452687692
P246.27°
141846507882
P345.00°
122044527684

Crown

#AngleFacetsNotes
C140.00°
 420284452687692
C235.00°
 222264650707494
C334.00°
 618304254667890
C427.00°
 420284452687692
C518.00°
 420284452687692
T0.00°
96