PC 03.100

Long Marquise

Sweeney, Boyd: Facet Talk, Jan-Feb 96, p32 vol 13
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DataVue
L/W
267%
Design RI
1.77
H/W
86%
Gear
96
V/W³
0.671
Symmetry
2 (mirrored)
Facets
57
Tiers
16
Crown
12
Pavilion
45

Sweeney, Boyd; Facet Talk, Jan-Feb 1996, p32;

Note girdle is not even because there are three girdle segments on pavilion and four on the crown. Step C4 and C7 call for use of the cheater, however both can be avoided by slight angle changes.

Wireframe

Long Marquise 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
 1474995
G290.00°
 4445292
G390.00°
 8405688
P148.43°
 1474995
Fix width. Where P3 meets P2
P248.37°
 4445292
Meet (P1-P2-P3)
P347.47°
9648
P440.65°
 7415589
P540.00°
 8405688

Crown

#AngleFacetsNotes
C150.00°
 1474995
Meet (C1-upper girdle)
C250.00°
 4445292
Meet (C2-upper girdle)
C350.00°
 6425490
Meet (C3-C4-upper girdle)
C450.00°
 8405688
Temp meetpoint with C5, later cut off
C548.00°
9648
Fix girdle width
C647.38°
4.743.352.791.3
Meet (C1-C2-C3)
C737.88°
3.344.751.392.7
Meet (C1-C2-C3-C4)
T0.00°
48
Meet (C7-C1-C7)