13.017 Tre-Foil

  • Word, Sid;Facets, Nov 1976, p3;
  • L/W=1.078
  • H/W=0.612
  • Vol/W^3=0.191
  • 37+6 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 13.017 Tre Foil Word, Sid: Facets, Nov 76, p3 Word, Sid: Faceter's Gem Cuts, V2 Angles for R.I. = 1.540 37 facets + 6 girdles 3-fold, mirror-image symmetry; 96 index L/W = 1.000 T/W = 0.553 U/W = 0.528 P/W = 0.475 C/W = 0.112 Vol/W³ = 0.191 pc13017.asc