PC 01.716

Roundabout. BCA.

Designed by J Hamer. April 2011.
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DataVueopen
L/W
100%
Design RI
1.54
H/W
63%
Gear
96
V/W³
0.201
Symmetry
4 (mirrored)
Facets
101
Tiers
8
Crown
16
Pavilion
85

Copyright assigned to the public domain.

BCA=Below the Critical Angle

Wireframe

Roundabout. BCA. 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 3 91521273339455157636975818793
Size stone
P139.46°
 3 91521273339455157636975818793
Cut to centrepoint
P237.50°
 5 71719293141435355656777798991
Meet1, g

Crown

#AngleFacetsNotes
C140.93°
 3 91521273339455157636975818793
Level girdle
C238.86°
 2101422263438465058627074828694
Meet a, g
C323.83°
 4 81620283240445256646876808892
Meet b, a
C420.50°
24487296
Meet b, c
T0.00°
96
Meet d, c