"Split Facet Oval Barion"

author unknown

Index settings are for a 96 tooth gear.
width to length = .55, depth to width = .176



Pavilion

  • Cut 6 facets to constant height at
    43.0º, index 12, 36, 48, 60, 84, 96.
  • Cut 2 facets at 42.5° to meet point,
    index 24 and 72.
  • Cut 4 facets at 90.0° to level girdle,
    index 21, 27, 69, 75.
  • Cut 4 facets at 43.6°, meet p2-p3
    at girdle, index 21, 27, 69, 75.
  • Cut 4 facets at 44.5°, meet p1-p2-
    p4, index 15, 33, 63, 81.
  • Cut 4 facets at 53.0°,meet p3-p4-p5,
    index 13, 35, 61, 83.
  • Cut 4 facets at 57.0°, meet p1-p5,
    -p6, index 08, 40, 56, 88.
  • Cut 4 facets at 44.6°, meet p1-p5,
    -p6-p7, index 09, 39, 57, 87.
  • Cut 4 facets at 44.8°, meet p1-p8,
    -p1, index 03, 45, 51, 93+.
  • Cut 4 facets at 60.4°, meet p7-p8,
    -p9, index 02, 46, 50, 94.
  • Cut 4 facets at 90.0°, to level
    girdle, index 13, 35, 61, 83.
  • Cut 4 facets at 90.0°, to level
    girdle, index 08, 40, 56, 88.
  • Cut 4 facets at 90.0°, to level
    girdle, index 02, 46, 50, 94.
    Polish, then transfer dop to culet.


Crown

  • Cut 4 facets at 52.5°, to match
    pavilion and level girdle, index
    02, 46, 50, 94.
  • Cut 4 facets at 45.3°, to match
    pavilion and level girdle, index
    08, 40, 56, 88.
  • Cut 4 facets at 48.7°, to match
    pavilion and level girdle, index
    13, 35, 61, 83.
  • Cut 4 facets at 43.3°, to match
    pavilion and level girdle, index
    21, 27, 69, 75.
  • Cut 4 facets at 37.0°, meet c3-
    c4 at girdle, index
    18, 30, 66, 78.
  • Cut 4 facets at 39.0°, meet c1-
    c2 at girdle, index
    06, 42, 54, 90.
  • Cut 2 facets at 24.0°, meet c6-
    c1-c6, index
    48, 96.
  • Cut 4 facets at 24.8°, meet c2-
    c3-c5-c6, index
    10, 38, 58, 86.
  • Cut 2 facets at 24.2°, meet c5-
    c4-c4-c5, index
    24, 72.
  • Cut table.
    Polish .