Rectus Quadratus

by Arya Akhavan
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Gemology Projectopen
L/W
100%
Design RI
1.65
H/W
67%
Gear
96
V/W³
0.269
Symmetry
4 (mirrored)
Facets
33
Tiers
8
Crown
17
Pavilion
16

For this stone, I just wanted something quick, easy, and with a very non-standard presentation. So, I went with a very simple pavilion, and a very clear spiral pattern on the crown, using lots of right angles, hence the name! I like this in hiddenite, but it can be cut in materials from feldspar to CZ (RI = 1.52 - 2.16) with no changes. Suggested size = 6-12 mm

Wireframe

Rectus Quadratus 3D view
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Pavilion

#AngleFacetsNotes
G190.00°
96244872
Set stone size.
P144.18°
96244872
Cut to centerpoint.
P241.18°
 123254749717395
Meet P1, G1

Crown

#AngleFacetsNotes
C137.12°
96244872
Set girdle width.
C227.51°
23477195
Meet G1, C1
C321.43°
22467094
Meet C1, C2
C417.54°
21456993
Meet C2, C3
T0.00°
24
Meet C3, C4