PC 02.141

Lazy Choval 1.40

Long, R H & Steele, N W; Facet Design v1A,
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DataVueopen
L/W
140%
Design RI
1.76
H/W
64%
Gear
96
V/W³
0.292
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 1.40 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
P141.42°
12366084
Meet 3-2-2-3
P241.34°
 2465094
Cut to PCP
P341.34°
 7415589
Meet 1-2-G1
P440.00°
 4445292
Meet 1 at PCP
P540.00°
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