Beginner Tetra

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Gemology Projectopen
L/W
100%
Design RI
1.45
H/W
106%
Gear
120
V/W³
0.366
Symmetry
2
Facets
40
Tiers
12
Crown
20
Pavilion
20

Should give good light return in everything from Opal (1.45) to Zircon (1.81). You will need to take care with meeting the points after transfer, but as long as you don't overcut there is a little leeway with the meet.

Wireframe

Beginner Tetra 3D view
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Pavilion

#AngleFacetsNotes
P581.78°
 26 34 86 94
Meet P1, P3
P674.57°
 30 90
Meet P
P357.89°
 18 42 78102
Meet P1,P2
P454.74°
 30 90
Meet P1,P2
P246.97°
 22 38 82 98
Define stone size
P135.10°
 20 40 80100
Cut to CTP

Crown

#AngleFacetsNotes
C181.79°
  4 56 64116
Identical to pavilion, take care to avoid overcutting!
C274.57°
120 60
C357.89°
 12 48 72108
C554.74°
120 60
C446.97°
  8 52 68112
C635.10°
 10 50 70110