PC 04.234

16 Rectangular Checkerboard.BCA.

Designed by J Hamer May 2014.
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DataVueopen
L/W
120%
Design RI
1.54
H/W
82%
Gear
96
V/W³
0.450
Symmetry
2 (mirrored)
Facets
48
Tiers
14
Crown
8
Pavilion
40

Copyright assigned to the public domain.

BCA=Below the Critical Angle

Wireframe

16 Rectangular Checkerboard.BCA. 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
2472
Establish width
G290.00°
4896
Establish length
G390.00°
12366084
Cut by eye big enough for prong
P148.94°
4896
Meet 3, 4
P245.81°
2472
Meet 2, 5
P343.41°
 5435391
Meet 3, 1, g2 g3
P442.06°
19296777
Meet 2, 1, g1, g3
P538.28°
 9395787
Meet 1, g2, g3
P637.50°
12366084
Establish girdle position. Cut to centerpoint.
P737.50°
15336381
Meet 1, g1, g3

Crown

#AngleFacetsNotes
C131.11°
12366084
Establish girdle
C224.60°
19296777
Cut to 1/4 width by eye
C324.25°
 5435391
Cut to 1/4 length by eye
C412.12°
12366084
Meet c, a, b