PC 04.220

Radiant Rectangle with UDST

(Ugly-Duckling-to-Swan Transform) pavilion
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DataVueopen
L/W
133%
Design RI
1.54
H/W
118%
Gear
96
V/W³
0.709
Symmetry
2 (mirrored)
Facets
50
Tiers
23
Crown
8
Pavilion
42

Designed by Roland Arajs, October 2014

The pavilion may look ugly, but triple reflection provides excellent tilt response even on low- RI gemstones.

Wireframe

Radiant Rectangle with UDST 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
4896
Set L
G290.00°
12366084
Set temporary girdle level to shape outline
G390.00°
2472
Set temporary girdle level to shape outline
P175.98°
96
P275.98°
2472
P361.99°
3660
P461.41°
48
P558.98°
1284
Level girdle
P655.16°
164880
Meet CP
P754.34°
141846507882
Meet CP, removing preform facets
P843.41°
2472
Meet CP
P935.36°
4896
Meet CP
P1032.92°
12366084
Create CP

Crown

#AngleFacetsNotes
C164.66°
12
Also use to level girdle at 36-60-84. Temporary locator facet.
C241.17°
4896
Set girdle width
C341.17°
2472
Level girdle
C436.56°
366084
Also cut at 12. Meet girdle, overcutting PF4.
C531.75°
2472
C627.47°
4896
Meet A-B-PF4
C723.26°
12366084
Meet A-C-D (& B-D-E)
C822.12°
 2465094
Meet A-C-E-F
C922.12°
22267074
Meet B-D-E-F
T0.00°
96
Meet F-G-H