{
  "preset_id": "Studio_3Point_Soft",
  "name": "Studio 3-Point Soft",
  "description": "Classic soft 3-point lighting for portraits and products",
  "category": "studio",
  "lights": [
    {
      "name": "KeyLight",
      "type": "rect",
      "position": [-200, 150, 200],
      "rotation": [0, -45, -30],
      "intensity": 15.0,
      "color": "#FFF5E6",
      "temperature": 5500,
      "source_width": 100,
      "source_height": 150,
      "barn_door_angle": 45,
      "cast_shadows": true,
      "soft_shadows": true
    },
    {
      "name": "FillLight",
      "type": "rect",
      "position": [150, 100, 180],
      "rotation": [0, 45, -20],
      "intensity": 5.0,
      "color": "#E6F0FF",
      "temperature": 6500,
      "source_width": 120,
      "source_height": 120,
      "cast_shadows": false
    },
    {
      "name": "RimLight",
      "type": "rect",
      "position": [0, -200, 220],
      "rotation": [0, 180, -30],
      "intensity": 8.0,
      "color": "#FFFFFF",
      "temperature": 6000,
      "source_width": 50,
      "source_height": 150,
      "cast_shadows": false
    }
  ],
  "sky_light": {
    "intensity": 0.5,
    "color": "#D4E5F7",
    "cubemap": null
  },
  "environment": {
    "ambient_intensity": 0.1,
    "fog_enabled": false
  }
}