PC 13.118

Cushion Triangle Variation

Ball, Jim: USFG Newsletter, Jul-Sep 96
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L/W
100%
Design RI
1.54
H/W
67%
Gear
96
V/
0.238
Symmetry
3 (mirrored)
Facets
58
Tiers
22
Crown
15
Pavilion
43

Equal girdle segment design. Looks best in stones greater than 10 mm width.

Wireframe

Cushion Triangle Variation 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
102242547486
From preform
G290.00°
141846507882
From preform
P158.00°
102242547486
Locate lower girdle
P258.00°
141846507882
Level girdle (girdle segments equal)
P353.00°
122044527684
Meet (P1-P2-G1-G2)
P453.00°
164880
Meet (P2-P2-G2-G2)
P548.25°
102242547486
Meet (P3-P6-P9)
P647.00°
141846507882
Meet (P3-P2-P4)
P743.85°
122044527684
Meet (P6-P7-P8)
P843.00°
164880
Meet (P6-P4-P6)
P941.00°
963264
Meet (P1-P1-G1-G1)
P1038.20°
122044527684
Meet (P7 at PCP)

Crown

#AngleFacetsNotes
C162.00°
102242547486
Fix girdle width
C262.00°
141846507882
Level girdle
C356.00°
122044527684
Meet (A-B-G1-G2)
C456.00°
 82440567288
Meet (A-A-G1-G1)
C555.30°
164880
Meet (B-B-G2-G2)
C645.00°
102242547486
Meet (E-A-C)
C744.90°
141846507882
C835.04°
122044527684
Meet (F-C-G)
C934.49°
164880
Meet (G-D-G)
T0.00°
48
Meet (C-B-D)