[
  {
    "id": "tatra-t3",
    "name": "Tatra T3 tram — adapted neutral red/cream livery",
    "file": "/models/tatra-t3.glb",
    "bytes": 246312,
    "triangles": 22024,
    "vertices": 27191,
    "drawCalls": 24,
    "position": [
      0,
      0,
      0
    ],
    "rotationY": 0,
    "scale": 1,
    "groundOffset": 0,
    "frontAxis": "+Z",
    "upAxis": "+Y",
    "doorSide": "-X",
    "bodyLengthMeters": 14,
    "bodyWidthMeters": 2.5,
    "overallBounds": {
      "min": [
        -1.2949337041835827,
        -1.1282564948977836e-07,
        -7.362852108128463
      ],
      "max": [
        1.2501681914419502,
        5.558405362604278,
        7.307012904812932
      ]
    },
    "pantographTopY": 5.558405362604278,
    "approxRoofHeightMeters": 3.03,
    "referenceDimensions": {
      "lengthAcrossCouplersMeters": 15.104,
      "bodyLengthMeters": 14,
      "bodyWidthMeters": 2.5,
      "wheelbaseMeters": 6.4,
      "bogieAxleDistanceMeters": 1.9,
      "newWheelDiameterMeters": 0.7
    },
    "referenceDimensionSources": [
      "https://www.dpmb.cz/nas-vozovy-park",
      "https://www.dpo.cz/o-nas/historicka-vozidla/historicke-tramvaje.html"
    ],
    "source": {
      "title": "Tatra T3",
      "author": "SimonStrikesBack",
      "authorUrl": "https://sketchfab.com/SimonStrikesBack",
      "url": "https://sketchfab.com/3d-models/tatra-t3-2c08e2e39ace45569c45a2fdbb4052c0",
      "uid": "2c08e2e39ace45569c45a2fdbb4052c0",
      "license": "CC BY 4.0",
      "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
      "mirrorUrl": "https://huggingface.co/datasets/allenai/objaverse/resolve/main/glbs/000-114/2c08e2e39ace45569c45a2fdbb4052c0.glb",
      "verifiedDate": "2026-09-08"
    },
    "modifications": [
      "Mesh simplification, material merging and Meshopt compression",
      "Metre normalization: 14m body length, 2.5m body width, rail-contact origin, forward +Z",
      "Original greenish Beige changed to cream, red hull adjusted, pantograph grey, glass darkened",
      "Original Prague fleet 6900 and main route 26 digit meshes removed; display housings retained blank"
    ],
    "limitations": [
      "Generic authored T3 model adapted for Brno; not a scan of an individual Brno unit",
      "Body dimensions normalized to operator references; original coupler proportions retained (overall model length about 14.67m versus official 15.104m)",
      "Body width excludes small protruding window frame/mirror; overall width about 2.55m",
      "No articulated K2/KT8 found with an accessible verified commercial-use download during bounded search"
    ],
    "validation": {
      "gltfErrors": 0,
      "gltfWarnings": 0,
      "meshoptDecoderReloaded": true,
      "visualInspection": "mobile-inspection.jpg, direct software depth-buffer geometry rendering"
    },
    "sha256": "e5e3692cdd163b6907d9e3282f54b23768f98f2871c583f200985ce6f035f1f7"
  }
]