[
  {
    "type": "pcb_board",
    "pcb_board_id": "board",
    "width": 10,
    "height": 6,
    "thickness": 1.6,
    "center": {
      "x": 0,
      "y": 0
    }
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "round_pill",
    "shape": "pill",
    "x": -3,
    "y": 0,
    "outer_width": 1.7,
    "outer_height": 1.95,
    "hole_width": 0.95,
    "hole_height": 0.95,
    "layers": ["top", "bottom"]
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "slot_pill",
    "shape": "pill",
    "x": 0,
    "y": 0,
    "outer_width": 1.7,
    "outer_height": 1.95,
    "hole_width": 0.95,
    "hole_height": 1.2,
    "layers": ["top", "bottom"]
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "circle",
    "shape": "circle",
    "x": 3,
    "y": 0,
    "outer_diameter": 1.7,
    "hole_diameter": 0.95,
    "layers": ["top", "bottom"]
  }
]