16.030 Sraight-Sided Triangle, Step Crown

  • Long, Robert;Facets, Feb 2014;
  • L/W=1.155
  • H/W=0.649
  • Vol/W^3=0.209
  • 28+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 C1 C2 C3 C4 C5 T C2 C3 C4 C5 G1 P1 P2 P3 G2 P4 P1 P2 P3 P4 C1 C2 C3 C1 C2 C3 C4 C5 T C2 C3 C4 C5 G1 P1 P2 P3 G2 P4 P1 P2 P3 P4 C1 C2 C3 PC 16.030 Straight-Sided Triangle, Step Crown Robert H. Long, May 26, 2013 Angles for R.I. = 1.540 28 facets + 6 girdles 3-fold symmetry; 96 index L/W = 1.155 T/W = 0.521 U/W = 0.451 P/W = 0.457 C/W = 0.159 Vol/W³ = 0.209 pc16030.asc
G190.00°16-48-80Establish Size
P152.00°15-17-47-49-79-81Cut to TCP
P248.00°16-48-80Meet P1 at Girdle
P346.00°96-32-64Meet P1, P2
G290.00°96-32-64Meet P1,P3
P470.00°16-48-80Optional to level girdle
C147.00°96Set girdle thickness (See note)
C240.00°16-48-80Level Girdle
C335.00°16-48-80Meet C1, C2
C430.50°32-64Level girdle. Recut all C1 facets.
C525.00°16-48-80Meet C3,C4
T0.00°TableEyeball it

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