PC 30.097A

Doublestar Pentagon

Mathewson, Ralph: ANGLES, Apr 96, p4
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DataVue
L/W
105%
Design RI
1.76
H/W
62%
Gear
80
V/W³
0.172
Symmetry
5 (mirrored)
Facets
50
Tiers
8
Crown
10
Pavilion
40

Mathewson, Ralph; Angles, Apr 1996, p4;

PREFORM: 36.55 (80-16-32-48-64) 32.61 (08-24-40-56-72) 90.0 (80-16-32-48-64) 90.0 (08-24-40-56-72)

Wireframe

Doublestar Pentagon 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
8016324864
G290.00°
 824405672
P143.85°
8016324864
Cut to TCP
P243.85°
 824405672
Level lower girdle
P341.00°
 1151731334749636579
Meet (P1-P2-P1), form PCP

Crown

#AngleFacetsNotes
C121.91°
8016324864
Fix girdle width. Locate upper girdle.
C221.91°
 824405672
Level upper girdle.
C320.00°
 1151731334749636579
Meet (C1-C2-C1). Form apex.