PC 42.012B

Star Sphere Mod

by Norm W. Steele SFD Nov 1976
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DataVueopen
L/W
105%
Design RI
1.54
H/W
102%
Gear
80
V/W³
0.528
Symmetry
5 (mirrored)
Facets
120
Tiers
16
Crown
60
Pavilion
120

Edited by Robert Strickland, Jan 2016

Note 1. Length of edge between 2 and 3 will be 0.375W. Note 2: Cut step 6 until facet 4 is symmetrical. This version is more symmetrical than the original and doesn't require fractional indexes.

Wireframe

Star Sphere Mod 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
P183.00°
 5112127374353596975
P277.60°
 824405672
P369.20°
 5112127374353596975
No meetpoint. See note 2.
P459.00°
 3131929354551616777
P553.30°
 6102226384254587074
P644.80°
 824405672
P720.00°
 824405672
Set size. See note 1.
P812.80°
1632486480

Crown

#AngleFacetsNotes
C183.00°
 3131929354551616777
C277.60°
1632486480
C369.20°
 3131929354551616777
C459.00°
 5112127374353596975
C553.30°
 2141830344650626678
C644.80°
1632486480
C720.00°
1632486480
C812.80°
 824405672