PC 23.052A

OMNI Shield with Mains

by Robert W. Strickland 9/17/02

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L/W: 114%
Design RI: 1.61
H/W: 68%
Gear: 96
V/W³: 0.283
Symmetry: 1 (mirrored)
Facets: 75
Tiers: 33
Crown: 13
Pavilion: 62

based on 23.052 9/1/97 USFG Newsletter, Vol. 8, No. 1, Apr. 98., p. 21

Note 1. Facets G1 and G6 are cut at about the same mast height, so rough- in G1 (pointy end) and G6 (flat end) first to size the stone. Note 2. Steps 1-G6 comprise an OMNI preform. The girdle line will not be level until steps 2-6 are cut.

Wireframe

Pavilion

#	Angle	Facets	Notes
G1	90.00°	888	See note 1
G2	90.00°	1284	OMNI (see note 2)
G3	90.00°	16207680	"
G4	90.00°	2472	"
G5	90.00°	3660	"
G6	90.00°	48	"
P1	70.00°	16207680	"
P2	70.00°	48	"
P3	69.00°	1284	"
P4	68.50°	2472	"
P5	67.60°	888	Level girdle
P6	42.00°	2 8142231364353606574828894	PCP
P7	41.50°	96	"
P8	41.00°	1185	"
P9	40.80°	4056	Mains
P10	40.00°	2769	"

Crown

#	Angle	Facets	Notes
C1	37.10°	3660	"
C2	36.60°	2472	"
C3	36.50°	2076	"
C4	35.80°	888	Breaks
C5	35.80°	1680	"
C6	35.70°	48	"
C7	35.50°	1284	"
C8	31.00°	2274	"
C9	31.00°	1482	"
C10	24.90°	96	"
C11	24.50°	4452	Mains
C12	17.00°	1878	"
C13	14.60°	1086	Stars
C14	13.70°	2670	"
C15	13.70°	48	"
C16	13.20°	4056	"
T	0.00°	96