PC 45.097

Roulette

Capps, Jerry; Lapidary Journal, Mar 1998, p71;
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DataVueopen
L/W
100%
Design RI
1.62
H/W
59%
Gear
96
V/W³
0.185
Symmetry
12
Facets
97
Tiers
10
Crown
12
Pavilion
85

Capps, Jerry; Lapidary Journal, Mar 1998, p71;

Design as shown is for CCW indexing.

Wireframe

Roulette 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 41220283644526068768492
Set size
P141.70°
 41220283644526068768492
Cut to TCP
P239.90°
 51321293745536169778593
Meet at girdle
P339.20°
 31319293545516167778393
Meet 2-1-2, form PCP

Crown

#AngleFacetsNotes
C137.00°
 41220283644526068768492
Set girdle thickness.
C231.67°
 321274551697593
Meet at girdle
C326.22°
96 816243240485664728088
Meet at 1-1-2 except 24,48,72,96
C418.08°
12366084
Meet 3-1-3 and 3-2-3
C514.00°
96 816243240485664728088
Meet 4-3-2-3
T0.00°
96
Meet 5-4-5