1.713 Owl Face Table BCA

  • Hamer| John;Personal communication 2017;
  • L/W=1
  • H/W=0.644
  • Vol/W^3=0.215
  • 79+24 Facets
  • Gear: 96
  • Remarks: BCA=Below the Critical Angle
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 <96> W W L L C C P P 1 a b c c d d e f h i k m d d f g 1 2 1 1 2 1 a b c c d d e f h i k m d d f g 1 2 1 1 2 PC 01.713 Owl Face Table. BCA. Designed by J Hamer. January 2015. Copyright assigned to the public domain. Angles for R.I. = 1.540 79 facets + 24 girdles 8-fold symmetry; 96 index L/W = 1.000 P/W = 0.421 C/W = 0.210 Vol/W³ = 0.215 pc01713.asc
150.00°02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94Cut to centerpoint
g90.00°02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94Size stone
a12.00°24-72Size design. Polish all crown facets
b10.00°24-72Meet 1, a.between index 2 and 6 ***
c12.60°08-40-56-88Meet 1, a, between index 14 and 18
d17.00°18-30-66-78Meet 1, c between index 10 and 14
e14.00°04-92Meet 1, c, between index 6 and 10
f20.00°24-72Meet 1, d between index 18 and 22
h13.80°42-54Meet 1, c, d between index 34 and 38
i13.60°46-50Meet 1, h between index 42 and 46
k12.90°41-55Meet 1, h, c, d
m12.40°96Meet b, c
140.90°02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94Level girdle
240.10°04-16-28-40-52-64-76-88Meet 1, g

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