PC 38.030

Ninety-Nine

by Walt Heitland, Sept. 21, 1998
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DataVueopen
L/W
100%
Design RI
1.76
H/W
61%
Gear
80
V/W³
0.203
Symmetry
1 (mirrored)
Facets
73
Tiers
10
Crown
18
Pavilion
55

A Nine-main design using the 80 index gear.

Your 80 gear will pretend to be an 81 notch gear for the 9-fold symmetry. Some slight adjustments make this possible.

Wireframe

Ninety-Nine 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
 1 810171926283437434652546163707279
P142.93°
46
Angle adjusted for wrong gear
P242.93°
34
P342.58°
3743
P442.51°
 1 8101719262852546163707279
P542.00°
80 918273644536271

Crown

#AngleFacetsNotes
C136.88°
3446
angle adjusted for wrong gear.
C236.00°
 1 81017192628374352546163707279
C322.00°
80 918273644536271
cut in by eye
T0.00°
80