Tessellation 10 (E)

"Be silent, O sufferer of steatopygia gravis."
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Gemology Projectopen
L/W
119%
Design RI
1.93
H/W
77%
Gear
96
V/W³
0.321
Symmetry
2 (mirrored)
Facets
54
Tiers
16
Crown
22
Pavilion
32

Suite: Tessellation Party! by Arya Akhavan (October 2012)

This pattern has a reasonably standard-shaped outline, but a completely unique crown layout. I could have gone with a flat table, but the point of the pattern was to have a tessellated checkerboard. Works great for recuts of bellied ovals! Can be cut in materials from feldspar to rutile (RI = 1.52 - 2.62) with no changes. Suggested length = 6-10 mm

Wireframe

Tessellation 10 (E) 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
9648
Set stone width.
G290.00°
 9395787
Level girdle.
G390.00°
21276975
Level girdle.
P147.24°
9648
Cut to centerpoint.
P444.21°
 2465094
Meet P1, P2, G1, G2
P243.61°
 9395787
Meet at culet.
P342.91°
21276975
Meet at culet.
P542.22°
 8405688
Meet P1, P2, G1, G2, P4; culet
P641.24°
22267074
Meet P2, P3, P5; P3, G3; culet

Crown

#AngleFacetsNotes
C356.24°
9648
Level girdle.
C239.79°
 9395787
Level girdle.
C138.97°
21276975
Set girdle width.
C434.20°
22267074
Meet G3, C1
C625.53°
9648
Meet C2, C3, C5
C522.65°
10385886
Meet C1, C2, C4
C73.61°
2472
Meet C4, C5; C5, C6