8 16 24 32 40 48 56 64 72 80 <88> W W U U L L T T C C P P PC39.029 96/80=88 Murphy, Merrill O; New Mexico Facetor, Jan 92 An 11-sided design for two index gears, 96 and 80 to simulate an 88 index gear. Angles for R.I. = 1.540 67 facets + 11 girdles 11-fold symmetry; 88 index L/W = 1.010 T/W = 0.614 U/W = 0.608 P/W = 0.497 C/W = 0.183 Vol/W³ = 0.248 pc39029.asc

39.029 96/80=88

  • Murphy, Merrill O;New Mexico Facetor, Jan 1992;
  • L/W=1.010
  • H/W=0.692
  • Vol/W^3=0.248
  • 67+11 Facets
8 16 24 32 40 48 56 64 72 80 <88> W W U U L L T T C C P P 39.022 NOVEM 88 Eleven Covill, Charles; New Mexico Facetor, Jul 92 : : Angles for R.I. = 1.630 100 facets + 11 girdles 11-fold, mirror-image symmetry; 88 index L/W = 1.010 T/W = 0.538 U/W = 0.533 P/W = 0.431 C/W = 0.127 Vol/W³ = 0.198 pc39022.asc

39.022 NOVEM 88 Eleven

  • Covill, Charles;New Mexico Facetor, Jul 1992;
  • L/W=1.018
  • H/W=0.577
  • Vol/W^3=0.198
  • 100+11 Facets
8 16 24 32 40 48 56 64 72 80 <88> L L U U W W T T C C P P a b c d 1 2 G1 a b c a b c d 1 2 G1 a b c PC 39.015 Eleven Split Mains Brilliant Hawes, Ernie; New Mexico Facetor, Apr 92,v11n8 Angles for R.I. = 1.540 100 facets + 22 girdles 11-fold, mirror-image symmetry; 88 index L/W = 1.010 T/W = 0.700 U/W = 0.693 P/W = 0.442 C/W = 0.095 Vol/W³ = 0.186 pc39015.asc

Open 39.015 Eleven Split Mains Brilliant

  • Hawes, Ernie;New Mexico Facetor, Apr 1992, v11n8;
  • L/W=1.010
  • H/W=0.553
  • Vol/W^3=0.186
  • 100+22 Facets
8 16 24 32 40 48 56 64 72 80 <88> W W U U L L T T C C P P a b c t 2 3 4 2 1 a b c t 2 3 4 2 1 PC 39.009 Undecagon Twist Steele, Norman W; Unpubl Dec 91 Angles for R.I. = 1.540 78 facets + 11 girdles 11-fold symmetry; 88 index L/W = 1.010 T/W = 0.623 U/W = 0.616 P/W = 0.542 C/W = 0.146 Vol/W³ = 0.279 pc39009.asc

Open 39.009 Undecagon Twist

  • Steele, Norman W;Unpublished Dec 1991;
  • L/W=1.010
  • H/W=0.714
  • Vol/W^3=0.279
  • 78+11 Facets