{
  "scale": 87,
  "house_width_ft": 34,
  "house_depth_ft": 28,
  "house_eave_ft": 10,
  "house_roof_rise_ft": 12,
  "garage_width_ft": 22,
  "garage_depth_ft": 24,
  "garage_eave_ft": 8,
  "garage_roof_rise_ft": 9,
  "wall_mm": 1.8,
  "roof_vertical_thickness_mm": 2.6,
  "note": "Photo-based estimates only, not surveyed dimensions. Satellite images establish approximate proportions; assumed 8-foot garage doors establish approximate scale."
}