PC 08.167A

Checkerboard AC 1.10

by Alexandre Wolkonsky
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DataVueopen
L/W
110%
Design RI
1.62
H/W
77%
Gear
96
V/W³
0.352
Symmetry
2 (mirrored)
Facets
80
Tiers
19
Crown
16
Pavilion
64

from GemCad by Jim Finlayson OMNI Sequence by Robert H. Long

* Angles modified from Finlayson's original GemCad. Because of the apex crown, you can cut this in lower R.I. without windowing. See other L/W variants

Wireframe

Checkerboard AC 1.10 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 1474995
Set Size
G290.00°
 3455193
Meet 2-3-G1
G390.00°
21276975
Meet 1-2-G1
G490.00°
23257173
Meet 1-1-G3
P159.19°
 1474995
Level Girdle and Meet 2-3-4 *
P258.90°
23257173
Level Girdle and Meet 1-1-5 *
P358.00°
 3455193
Meet at corner
P458.00°
21276975
"
P541.00°
 3455193
"
P640.10°
 9395787
"
P739.40°
1521273363697581
Cut to PCP

Crown

#AngleFacetsNotes
C160.43°
 3455193
Level Girdle
C260.43°
21276975
"
C360.00°
 1474995
Set Girdle thickness
C460.00°
23257173
"
C525.37°
12366084
Meet at Corner
C619.50°
 5435391
Meet a-b-e
C719.50°
19296777
Meet c-d-e
C89.14°
12366084
Meet e-f-g