{
  "id": "city-storm-drain",
  "type": "model",
  "title": "道路排水グレーチング",
  "titleEn": "Road storm drain grate",
  "description": "実際に開いたスリット、脱着式の鋳鉄格子、支持リブと固定ボルトを備えた道路排水口。 ゲーム・可視化向け。製造・構造設計・3Dプリント用途は未検証。",
  "descriptionEn": "A cast-iron street grate with genuine open slots, removable grate bars, supporting ribs and frame anchors. For games and visualization; not validated for manufacture, structural engineering or 3D printing.",
  "category": "urban",
  "tags": [
    "city",
    "street",
    "original",
    "drain",
    "grate",
    "infrastructure",
    "road",
    "鋳鉄",
    "排水"
  ],
  "author": "Xenoah",
  "license": "CC-BY-4.0",
  "version": "1.0.0",
  "status": "public",
  "created": "2026-10-14",
  "updated": "2026-10-14",
  "thumbnail": "https://xenoah.github.io/meshcopia/assets/city-storm-drain/thumbnail.png",
  "preview": "city-storm-drain.glb",
  "unit": "m",
  "upAxis": "Y",
  "triangles": 7432,
  "dimensions": [
    0.62,
    0.09802,
    0.812
  ],
  "uv": "Per-component primitive or automatically unwrapped UVs. Overlapping between components; not a packed unique lightmap atlas. Solid-color PBR materials; no external textures.",
  "provenance": {
    "method": "Original AI-agent-authored procedural city geometry",
    "tool": "Blender 4.5.14 LTS; Meshcopia city generator 1.0",
    "rights": "Original geometry and material design created for Xenoah Meshcopia under the owner request for CC-BY-4.0 publication. No third-party meshes, scans, brands, logos or font files.",
    "generatorUrl": "https://github.com/Xenoah/meshcopia/blob/main/scripts/city/infrastructure.py",
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      "relationship": "original",
      "project": "Meshcopia",
      "sourceUrl": "https://github.com/Xenoah/meshcopia",
      "sourcePaths": [
        "scripts/city/infrastructure.py",
        "scripts/city/common.py"
      ],
      "selectors": [
        "city-storm-drain"
      ],
      "context": "Original city asset created for this library. No external deployment or reuse claimed."
    }
  ],
  "pageUrl": "https://xenoah.github.io/meshcopia/assets/city-storm-drain/",
  "manifestUrl": "https://xenoah.github.io/meshcopia/api/assets/city-storm-drain.json",
  "attribution": "Road storm drain grate by Xenoah / Meshcopia\nhttps://xenoah.github.io/meshcopia/assets/city-storm-drain/\nCC BY 4.0 — https://creativecommons.org/licenses/by/4.0/\nChanges: none. If modified, replace this line with a description of your changes.",
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      "id": "city-storm-drain",
      "assetVersion": "1.0.0",
      "packageVersion": "1.0.0",
      "contentPolicy": "fbx-required-textures-single-notice-v1",
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        "filename": "LICENSE.txt",
        "sha256": "66c3461f4b8648b30c09d852a47eb96365cc50e01a54adb472b1ac464765a941",
        "text": "Road storm drain grate by Xenoah / Meshcopia\nCopyright (c) 2026 Xenoah\nCC BY 4.0: https://creativecommons.org/licenses/by/4.0/\nSource: https://xenoah.github.io/meshcopia/assets/city-storm-drain/\nProvided as-is, without warranties (license Section 5).\nChanges: none.\nAdditional changes: Converted unchanged source GLB geometry to FBX, with documented compatible material/texture derivatives.\n"
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  "previewUrl": "https://xenoah.github.io/meshcopia/assets/city-storm-drain/source/city-storm-drain.glb"
}