{
  "format": "inspectmesh-measurements",
  "version": 1,
  "privacy": "Local record; no source filename or geometry included.",
  "entries": [
    {
      "id": "measurement-1",
      "name": "48-sided bore rim",
      "type": "circle",
      "points": [
        {
          "coordinates": [
            10,
            0,
            8
          ],
          "basis": "mesh-vertex",
          "meshId": "mesh-54",
          "faceIndex": 380,
          "vertexIndex": 1142
        },
        {
          "coordinates": [
            6.123233998228043e-16,
            10,
            8
          ],
          "basis": "mesh-vertex",
          "meshId": "mesh-54",
          "faceIndex": 101,
          "vertexIndex": 303
        },
        {
          "coordinates": [
            -10,
            1.2246467996456087e-15,
            8
          ],
          "basis": "mesh-vertex",
          "meshId": "mesh-54",
          "faceIndex": 197,
          "vertexIndex": 591
        }
      ],
      "result": {
        "state": "available",
        "centre": [
          0,
          0,
          8
        ],
        "radius": 10,
        "diameter": 20,
        "normal": [
          0,
          0,
          1
        ],
        "axisU": [
          1,
          0,
          0
        ],
        "axisV": [
          0,
          1,
          0
        ]
      },
      "frame": "STL source coordinates restored from displayed Float32 mesh",
      "sourceUnit": "mm",
      "coordinateToMm": 1,
      "resultLengthUnit": "source coordinate units",
      "displayedLengthUnit": "mm",
      "placedItemIds": [],
      "spansPlacedItems": false,
      "notes": [
        "Displayed mesh precision; no CAD precision recovery.",
        "Three-point constructions do not establish roundness, clearance or physical fit.",
        "Changing the STL interpretation recomputes physical lengths; changing display unit only converts them."
      ]
    }
  ]
}