PC02.130 Faceting Project

Clark, Don; Amer. Gemcutter, May 93, p29
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L/W
121%
Design RI
1.54
H/W
83%
Gear
64
V/
0.414
Symmetry
2 (mirrored)
Facets
97
Tiers
24
Crown
16
Pavilion
81

For L/W 1.2 to 1.6. Generic procedure for cutting oval Facets P6,P7,P8 are cut at CMH. The angle given is onl7

Wireframe

PC02.130 Faceting Project 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 2303462
Establish length
G290.00°
15174749
Establish width L/W=1.2 to 1.6
G390.00°
 8244056
G490.00°
12204452
P170.00°
 2303462
Fix girdle
P270.00°
 8244056
Level girdle
P370.00°
12204452
Level girdle
P470.00°
15174749
Level girdle
P542.00°
 412202836445260
P642.00°
6432
6,7,8 cut at constant mast height
P741.26°
 81624404856

Crown

#AngleFacetsNotes
C145.00°
 2303462
C245.00°
 8244056
C345.00°
12204452
C445.00°
15174749
C535.00°
 2303462
C635.00°
 8244056
C735.00°
12204452
C835.00°
15174749
C925.00°
 2303462
C1025.00°
 8244056
C1125.00°
12204452
C1225.00°
15174749
T0.00°
64