13.010 Tri Trap

  • Walker, Richard C;Facets, Aug 1975, n7p5;
  • L/W=1.096
  • H/W=0.621
  • Vol/W^3=0.257
  • 87+12 Facets
  • Gear: 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 13.010 Tri Trap Walker, Richard C: Facets, Aug 75, p5 Walker, Richard C: Faceter's Gem Cuts, v1n29 Angles for R.I. = 1.540 87 facets + 12 girdles 3-fold, mirror-image symmetry; 96 index L/W = 1.096 T/W = 0.736 U/W = 0.670 P/W = 0.443 C/W = 0.153 Vol/W³ = 0.257 pc13010.asc