{
  "title": "Nonwood household furniture data for AI joint and panel views",
  "source_page": "https://fiund.com/industries/nonwood-furniture-joint-panel-orientation-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A rotated table panel needs marker-relative comparison",
    "context": "An original paper table panel has unequal marker spacing on one side. No physical furniture is built.",
    "records": [
      [
        "1",
        "Drawing",
        "With triangle at near end, the tight hole pair belongs to marked side A."
      ],
      [
        "2",
        "Photo",
        "Triangle at far end after rotation; tight pair still on side A."
      ],
      [
        "3",
        "Draft annotation",
        "Calls a mismatch because pair moved from image-left to image-right."
      ]
    ],
    "question": "Is the draft discrepancy supported?",
    "answer": "No. Record 2 keeps the tight pair attached to A as required by record 1. Its pixel side changes with the panel rotation. Record 3 incorrectly uses screen position as part position; store the reference-side relationship instead.",
    "failureModes": [
      "Confusing camera coordinates with the named side",
      "Calling a rigid rotation a changed hole pattern"
    ],
    "fields": [
      [
        "reference_end_marker",
        "Anchors orientation"
      ],
      [
        "named_side",
        "Preserves part-relative identity"
      ],
      [
        "hole_pair_spacing",
        "Distinguishes the keyed feature"
      ]
    ],
    "holdout": "Move the tight pair to the opposite named side and rotate the image; distinguish a genuine panel discrepancy from rotation.",
    "boundary": "No actual furniture dimensions, assembly or structural advice, customer CAD or fit guarantees."
  }
}