{
  "source_pdf": "panel_with_drilling.pdf",
  "extraction_timestamp": "2026-01-01T00:00:00Z",
  "part_name": "shelf_side",
  "overall_dimensions": {
    "width_mm": 600,
    "height_mm": 720,
    "depth_mm": 18
  },
  "parts": [],
  "raw_annotations": [
    "Scale: 1:1",
    "Material: 18mm MDF",
    "Drilling: 4x shelf pins"
  ],
  "drilling": [
    {"x_mm": 37, "y_mm": 180, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 37, "y_mm": 360, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 37, "y_mm": 540, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 37, "y_mm": 640, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 563, "y_mm": 180, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 563, "y_mm": 360, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 563, "y_mm": 540, "diameter_mm": 5, "depth_mm": 12},
    {"x_mm": 563, "y_mm": 640, "diameter_mm": 5, "depth_mm": 12}
  ]
}