Square Dozen

by Robert W. Strickland 10/21/96

No ratings yet

L/W: 100%
Design RI: 1.54
H/W: 77%
Gear: 96
V/W³: 0.349
Symmetry: 4 (mirrored)
Facets: 69
Tiers: 13
Crown: 8
Pavilion: 61

TFG Newsletter, Vol. 17 No. 4, Oct.-Dec. 96, p. 20

The table is 12-sided and the outline is a square. Adapted from Cross Formee 07.100 by R. Strickland. This design is better suited to low refractive index materials than is the original Cross Formee.

Wireframe

Pavilion

#	Angle	Facets	Notes
G1	90.00°	96244872	Establish size
G2	90.00°	12366084	Meet 1-2-G1
P1	65.00°	96244872	"
P2	55.00°	123254749717395	"
P3	41.80°	12366084	Meet center point of 1
P4	41.50°	915333957638187

Crown

#	Angle	Facets	Notes
C1	52.00°	96244872	Leave some girdle
C2	43.00°	123254749717395	Meet a-G1-G2
C3	35.50°	420284452687692	"
C4	34.50°	12366084	"
C5	32.20°	915333957638187	"
C6	28.50°	12366084	Meet d-d-e
T	0.00°	96