{
  "Design 1": {
    "windings": [
      {
        "name": "primary",
        "taps": [
          0,
          50,
          25
        ],
        "awg": [
          20,
          20
        ]
      },
      {
        "name": "secondary",
        "taps": [
          0,
          100,
          50,
          50,
          50
        ],
        "awg": [
          22,
          22,
          22,
          22
        ]
      }
    ]
  },
  "_last": "Design 1"
}