{
  "camera": {
    "type": "perspective",
    "focal_length": 2.8,
    "eye": [9.6,0.3,10],
    "up": [-0.7071067812,0,0.7071067812],
    "look": [-0.7071067812,0,-0.7071067812],
    "height": 1,
    "width": 1.7777777778
  },

  "objects": [
    {
      "type": "plane",
      "point": [0,0,-1],
      "normal": [0,0,1]
    },
    {
      "type": "sphere",
      "radius": 1,
      "center": [0,0,1]
    },
    {
      "type": "sphere",
      "radius": 1,
      "center": [2,0,1]
    },
    {
      "type": "sphere",
      "radius": 1,
      "center": [1,1.7321,1]
    },
    {
      "type": "sphere",
      "radius": 1,
      "center": [1,0.57735,2.633]
    }
  ]
}