Open09.178 PaolOtto Square Cushion
Invernizzi, Ottorino; Unpublished, designed Jun 2012; L/W=1.000 H/W=0.662 Vol/W³=0.255 96 index 85+24 facets

Open09.179 PaolOtto Square Cushion, Mod.
Invernizzi, Ottorino, and Strickland, Robert; Unpublished; L/W=1.000 H/W=0.644 Vol/W³=0.248 96 index 85+24 facets Redesigned for 4-fold, mirror symmetry

Open09.180 RoundOtto Checkerboard
Invernizzi, Ottorino; Unpublished, Aug 2013; L/W=1.000 H/W=0.681 Vol/W³=0.244 96 index 89+24 facets Angles for beryl

Open09.181 RoundOtto Checkerboard-C
Invernizzi, Ottorino; Unpublished, Aug 2013; L/W=1.000 H/W=0.679 Vol/W³=0.243 96 index 109+24 facets

Open09.182 Half Cushion OTCO-Various
Larson, Vernon E "Larry"; Unpublished; L/W=1.000 H/W=0.598 Vol/W³=0.226 96 index 77+12 facets

Open09.183 Half Cushion OCTO-Various 3
Larson, Vernon E "Larry"; Unpublished; L/W=1.000 H/W=0.624 Vol/W³=0.233 96 index 69+12 facets

Open09.184 Compass 6
Perkins, Jim; Personal communication, Copyright July 29, 2001; L/W=1.000 H/W=0.533 Vol/W³=0.146 96 index 61+8 facets

Open09.185 Compass IV
Perkins, Jim; Personal communication, Copyright Mar 26, 2001; L/W=1.000 H/W=0.540 Vol/W³=0.155 96 index 61+8 facets

Open09.186 Esquire
Perkins, Jim; Personal communication, Copyright Nov 2005; L/W=1.000 H/W=0.605 Vol/W³=0.224 96 index 73+16 facets

Open09.187 Fantasy Crown Jewel Collection #1
Perkins, Jim; Personal communication, Copyright Nov 2009; L/W=1.000 H/W=0.601 Vol/W³=0.224 96 index 73+12 facets

Link09.188 Barion Old Mine09.188 Barion Old Mine
Keller, Bob; www, Nov 1998; L/W=1.000 H/W=0.709 Vol/W³=0.288 96 index 73+12 facets Link

Open09.192 Genisis Cushion
Perkins, Jim; Personal communication, Copyright Sept. 12, 2004; L/W=1.000 H/W=0.609 Vol/W³=0.217 72 index 73+20 facets

Open09.200 GLENCHA SIX
Klein, Glenn; Unpublished; L/W=1.000 H/W=0.737 Vol/W³=0.290 96 index 57+12 facets

Open09.201 GLENCHA THREE
Klein, Glenn; Unpublished; L/W=1.000 H/W=0.766 Vol/W³=0.277 96 index 48+12 facets

Open09.202 GLENCHA ONE
Klein, Glenn; Unpublished; L/W=1.000 H/W=0.707 Vol/W³=0.283 96 index 61+12 facets

Open09.203 Big Square Kiss
Arajs, Roland; Unpublished; L/W=1.000 H/W=0.591 Vol/W³=0.222 96 index 61+16 facets Pavilion for high RI

Open09.204 Diamond Checker Cushion
Strickland, Robert W; Unpublished; L/W=1.000 H/W=0.728 Vol/W³=0.236 96 index 48+16 facets

Open09.205 Crushed Ice Diamond
Strickland, Robert W; web image search for "cushion modified brilliant"; L/W=1.000 H/W=0.731 Vol/W³=0.290 96 index 77+16 facets

Open09.206 Easy Cushion Square 2-6 C1P1
Long, Robert; Unpublished; L/W=1.000 H/W=0.710 Vol/W³=0.266 96 index 61+16 facets Part of Easy Series

Open09.207 Easy Apex Cushion Square 2-6 C1P1
Long, Robert; Unpublished; L/W=1.000 H/W=0.681 Vol/W³=0.242 96 index 68+16 facets Part of Easy Series