13.2 ECED Tri4

  • Long| Robert H.;Unpublished;
  • L/W=1.015
  • H/W=0.555
  • Vol/W^3=0.16
  • 37+9 Facets
  • Gear: 96
  • Remarks: Uses indexing 0-4| last of the series
8 16 24 32 40 48 56 64 72 80 88 <96> W W U U L L T T C C P P A B C D G1 1 2 3 1 2 3 A B C D A B C D G1 1 2 3 1 2 3 A B C D PC 13.200 ECED Tri4 Robert H. Long, 8/10/19 Assigned to the Public Domain Angles for R.I. = 1.540 37 facets + 9 girdles 3-fold, mirror-image symmetry; 96 index L/W = 1.015 T/W = 0.499 U/W = 0.465 P/W = 0.390 C/W = 0.147 Vol/W³ = 0.160 pc13200.asc
G190.00°96-04-28-32-36-60-64-68-92Form outline
143.00°02-30-34-62-66-94Cut to PCP
243.25°96-32-64“
349.00°04-28-36-60-68-92Level Girdle
A40.00°04-28-36-60-68-92Set Girdle thickness
B33.82°96-32-64Level Girdle
C33.00°02-30-34-62-66-94Mains
D25.00°02-30-34-62-66-94Step Stars
 0.00°Table 

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