Lippy

Marco Voltolini
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Gemology Projectopen
L/W
148%
Design RI
1.72
H/W
65%
Gear
96
V/W³
0.344
Symmetry
2 (mirrored)
Facets
41
Tiers
12
Crown
19
Pavilion
14

I used this to cut spinel (oval recut). It should also work with materials with RI higher than quartz. Table meets may be troublesome and require some angle adjusting...

Wireframe

Lippy 3D view
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Pavilion

#AngleFacetsNotes
290.00°
 4445292
This sets the stone size
590.00°
16326480
Meet 1, 4
144.74°
 4445292
TCP
644.74°
16326480
Meet 1, 4, 5
341.37°
9648
Meet girdle
440.00°
12366084
Meet 1, 3

Crown

#AngleFacetsNotes
A43.24°
 4445292
Set girdle thickness
B43.24°
16326480
Uniform girdle thickness
D32.00°
9648
 "
C29.84°
 9395787
Meet girdle
E16.82°
 6425490
Meet A, D, C
F0.00°
24
Meet B, C, D, E