{
  "action": "analyze",
  "units": "mm",
  "base_radius_mm": 5,
  "roller_radius_mm": 4,
  "offset_mm": 0,
  "rpm": 60,
  "resolution": 720,
  "pressure_limit_deg": 30,
  "segments": [
    {
      "angle_deg": 90,
      "lift_mm": 20,
      "law": "4567"
    },
    {
      "angle_deg": 90,
      "lift_mm": 0,
      "law": "4567"
    },
    {
      "angle_deg": 90,
      "lift_mm": -20,
      "law": "4567"
    },
    {
      "angle_deg": 90,
      "lift_mm": 0,
      "law": "4567"
    }
  ]
}