PC 13.029A

Tri-Curve Spike 120

(VanSant) Steele, Norman W; Unpublished
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DataVueopen
L/W
103%
Design RI
1.54
H/W
61%
Gear
120
V/W³
0.203
Symmetry
3 (mirrored)
Facets
82
Tiers
15
Crown
18
Pavilion
64

Based on idea in Star Cuts I (1980), p29. Preform same as 13.026A.

Wireframe

Tri-Curve Spike 120 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 10 30 50 70 90110
G290.00°
  6 34 46 74 86114
G390.00°
  2 38 42 78 82118
P143.83°
  2 38 42 78 82118
P243.00°
  4 36 44 76 84116
P342.91°
  6 34 46 74 86114
P441.20°
 10 30 50 70 90110

Crown

#AngleFacetsNotes
C142.00°
  2 38 42 78 82118
C242.00°
  6 34 46 74 86114
C342.00°
 10 30 50 70 90110
C438.44°
  4 36 44 76 84116
C530.93°
120 40 80
C630.23°
 20 60100
C723.96°
 10 30 50 70 90110
T0.00°
120