{
  "title": "Precision turned-part data for AI station and dimension review",
  "source_page": "https://fiund.com/industries/turned-part-station-dimension-map-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "The smallest station number is not camera-left",
    "context": "A paper stepped silhouette has an asymmetric reference end. The dimension table is invented.",
    "records": [
      [
        "1",
        "Drawing",
        "Stations 1, 2, 3 in order moving away from square end."
      ],
      [
        "2",
        "Photo",
        "Square end on image-right; middle step tagged 2."
      ],
      [
        "3",
        "Measurement sheet",
        "Station 1: 14 mm, station 2: 10 mm, station 3: 8 mm."
      ]
    ],
    "question": "What value belongs with the visible far-left station?",
    "answer": "The far-left station is 3, because the square reference is on the right in record 2 and record 1 counts away from it. Associate the 8 mm table value from record 3 with station 3, without treating the image as independent dimensional verification.",
    "failureModes": [
      "Counting stations left-to-right without the datum",
      "Confusing table linkage with image measurement"
    ],
    "fields": [
      [
        "reference_end",
        "Defines station order"
      ],
      [
        "station_number",
        "Joins dimension and location"
      ],
      [
        "evidence_source",
        "Distinguishes table and imagery"
      ]
    ],
    "holdout": "Crop off the reference end and use an unlabeled symmetric part; require an unresolved outer station mapping.",
    "boundary": "No real drawings, machining instructions, calibration guidance or inspection tolerances."
  }
}