13.054 Cushion TriangleCook, Don E;Off the Dop, Oct 1988;L/W=1.036H/W=0.586Vol/W^3=0.17673+12 FacetsGear: 96 8 16 24 32 40 48 56 64 72 80 88 <96> W W U U L L T T C C P P PC 13.054 Cushion Triangle Cook, Don E; Off the Dop, Oct 88 Angles for R.I. = 2.160 73 facets + 12 girdles 3-fold, mirror-image symmetry; 96 index L/W = 1.036 T/W = 0.602 U/W = 0.571 P/W = 0.447 C/W = 0.125 Vol/W³ = 0.176 pc13054.asc 13.053 Six Segment Rosette13.055 CC Triangular Cushion