PC 07.182

StarStep Square, Alt. Crown

by Alexandre Wolkonsky and J.C. Finlayson

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L/W: 100%
Design RI: 1.63
H/W: 70%
Gear: 96
V/W³: 0.321
Symmetry: 4 (mirrored)
Facets: 77
Tiers: 14
Crown: 8
Pavilion: 69

April 2014 See other L/W variants Personal communication to RWS from AW, 2016

Cut step 1 to square. Then cut two opposite 2 facets to make diagonal dimension D/W=1.222, measured flat-to-flat with caliper. Or you can use optional CAM preform. Cut the CAM to TCP at same indices as girdles.

Wireframe

Pavilion

#	Angle	Facets	Notes
G1	90.00°	24487296	CAM 35.20
G2	90.00°	12366084	D/W=1.222 CAM 30.00
P1	65.00°	24487296
P2	50.00°	12366084
P3	48.40°	222264650707494
P4	44.00°	618304254667890
P5	42.00°	1014343858628286
P6	28.70°	24487296	Below critical angle to window

Crown

#	Angle	Facets
C1	65.00°	12366084
C2	40.00°	24487296
C3	30.00°	123254749717395
C4	24.00°	222264650707494
C5	20.00°	321274551697593
T	0.00°	96