PC 13.081

TWO TRI

Long, Robert H; Seattle F Design, Sep 93, p1
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DataVue
L/W
107%
Design RI
1.54
H/W
74%
Gear
96
V/W³
0.236
Symmetry
3 (mirrored)
Facets
73
Tiers
9
Crown
12
Pavilion
61

Covill, Charles; Meet Points, Sep 1993, p8;

Note 1: Cut as two sets 12-20-44-52-76-84 to meet C1-C1-g1-g1 at the corner 04-28-36-60-68-92 to meet C1-C2-C3

Wireframe

TWO TRI 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 32935616793
Establish "corner" of the triangle
G290.00°
 13133636595
Level girdle (and meet g2-P2-g1
P165.00°
 13133636595
Meet P1-P2-P1
P263.79°
 32935616793
Meet P1-P1-g1-g1
P342.00°
 41220283644526068768492
Cut to PCP

Crown

#AngleFacetsNotes
C160.00°
 13133636595
Level girdle (and meet C1-g1-g2)
C258.63°
 32935616793
Match P2 (and set girdle thickness)
C330.00°
 41220283644526068768492
See note 1
T0.00°
96
Table