PC 02.141

Lazy Choval

Long, R H & Steele, N W; Facet Design v1A,
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DataVueopen
L/W
140%
Design RI
1.76
H/W
63%
Gear
96
V/W³
0.286
Symmetry
2 (mirrored)
Facets
76
Tiers
20
Crown
16
Pavilion
60

(1982) Part of the "Alternate Crowns & Pavilions" serie Width 10.6 to 10.8 mm; Length 14.9 to 15.1 mm

Nominal width 10.7 mm and length 15.0 mm Length and width tolerance 0.1 mm

Wireframe

Lazy Choval 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 2465094
Fix width 10.6 to 10.8 mm
G290.00°
 7415589
Meet 1-2-3-G1 and level girdle
G390.00°
12366084
Meet 3-4-G2 and level girdle
G490.00°
20286876
Meet 4-5-G3 and level girdle
P140.41°
12366084
Meet 3-2-2-3
P240.33°
 2465094
Cut to PCP
P340.33°
 7415589
Meet 1-2-G1
P439.00°
 4445292
Meet 1 at PCP
P539.00°
20286876
Meet 4-3-2-2-3-4

Crown

#AngleFacetsNotes
C132.70°
 7415589
Meet A-G1 and level girdle
C231.79°
12366084
Meet B-G2-G3 and level girdle
C330.00°
 2465094
Fix girdle width 0.4 to 0.6 mm
C428.25°
 4445292
Meet A-B-G1-G2 and B-C-E
C528.25°
9648
Meet A-A-G1-G1
C628.02°
20286876
Meet C-G3-G4 and level girdle
C725.12°
16326480
Meet C-D-G3-G4
C816.45°
15336381
Meet E-D-D-E and F-B-C-E
C914.44°
 7415589
Meet F-B-C-E-H
C1012.56°
9648
Meet K-K at apex and G-A-F-J-K
C1111.71°
 4445292
Meet J-H-H-J and G-A-F-J