Tessellation 33 (J)

Suite: Tessellation Party!
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Gemology Projectopen
L/W
137%
Design RI
1.54
H/W
76%
Gear
96
V/W³
0.323
Symmetry
2 (mirrored)
Facets
39
Tiers
12
Crown
11
Pavilion
18

by Arya Akhavan (December 2013)

This design is a very nice, very simple tessellation with an easy crown and surprisingly good performance for its simplicity. I tried to have the table broken into two triangles, but it didn't work. Works in materials from feldspar to tourmaline (RI = 1.52 - 1.62) with no changes; if you go outside that range, weird things happen to the tips. Suggested length = 6-12 mm

Wireframe

Tessellation 33 (J) 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
16326480
Set stone length.
G290.00°
 8405688
Meet P2, P3, G1
G390.00°
9648
Level girdle.
P568.00°
9648
Meet P1, P2, P4
P465.00°
 8405688
Level girdle.
P243.71°
12366084
Meet at culet.
P343.00°
16326480
Meet at culet.
P142.13°
10385886
Cut to centerpoint.

Crown

#AngleFacetsNotes
C129.39°
9648
Set girdle width.
C329.38°
16326480
Level girdle.
C226.00°
 8405688
Level girdle.
T0.00°
24
Meet C1, C2; C2, C3