{
  "size": [50, 50, 50],
  "objects": [
    {
      "Box": {
        "p0": [2, 2, 2],
        "p1": [16, 16, 3],
        "material": "gold"
      }
    },
    {
      "Sphere": {
        "point": [9, 9, 15],
        "radius": 7,
        "material": "gold"
      }
    }
  ],
  "simulation_config": {
    "frequency_threshold": 0.005,
    "fdfd_convergence": 0.000001,
    "cosine_cutoff": 0.005,
    "frequency_range": [0.02, 1.0]
  }
}