{
  "use_case_id": "drone-3d-modeling-digital-twin",
  "use_case": "3D modeling & digital twins",
  "quantity": null,
  "unit": "building",
  "country": "FR",
  "currency": "EUR",
  "estimate": {
    "low": 500,
    "high": 1500,
    "currency": "EUR",
    "based_on": 1
  },
  "method": "published unit price × quantity (exact unit conversions only); filtered to the best region match; older prices only if nothing newer",
  "notes": [
    "Range uses only benchmarks whose region matches FR.",
    "No quantity given: costs are per 1 building.",
    "Arithmetic on published prices, not a quote: scope, access, permits, minimums and travel change real prices. Ask suppliers via submit_rfq."
  ],
  "basis": [
    {
      "kind": "benchmark",
      "provider_id": null,
      "description": "Drone photogrammetry 3D model of a simple building, excl. VAT (C-DRONE price guide, France, published 19 May 2026)",
      "unit_price": {
        "low": 500,
        "high": 1500,
        "currency": "EUR",
        "unit": "per building"
      },
      "region": "FR",
      "region_match": "country",
      "source_url": "https://c-drone.fr/en/guides/drone-photogrammetry-3d-modelling-price/",
      "as_of": "2026-05-19",
      "older_price": false,
      "unit_conversion": null,
      "cost": {
        "low": 500,
        "high": 1500,
        "currency": "EUR"
      },
      "used_in_range": true
    }
  ],
  "available_units": [
    "building",
    "site",
    "job"
  ],
  "fx_date": "2026-10-23"
}