{
  "fcstd_valid": true,
  "step_valid": true,
  "solid_count": 1,
  "volume": 37735.39027659189,
  "diameter_parameter_test_38": 38219.195545244715,
  "diameter_test_restored": true,
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  "dimensions_mm": {
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    "height": 80,
    "thickness": 8,
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    "center_diameter": 39,
    "bearing_pitch": 48,
    "bearing_hole": 7,
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    "slot_bottom": 9,
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    {
      "radius": 19.5,
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  ],
  "nominal_m5_slot_range_mm": 4.5,
  "quantity_identical_plates": 2,
  "boss_diameter_user_confirmed_mm": 38
}