{
  "id": "city-roller-shutter",
  "type": "model",
  "title": "店舗用巻き上げシャッター",
  "titleEn": "Shopfront roller shutter",
  "description": "41枚の成形スラット、開口した側面ガイド、頭上ボックス、引手と下端シールを備えた静的シャッター。 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 static shopfront shutter with 41 formed slats, open side guide channels, folded headbox, pull handles and bottom weather seal. For games and visualization; not validated for manufacture, structural engineering or 3D printing.",
  "category": "urban",
  "tags": [
    "city",
    "street",
    "original",
    "shutter",
    "shopfront",
    "store",
    "roller",
    "security",
    "シャッター"
  ],
  "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-roller-shutter/thumbnail.png",
  "preview": "city-roller-shutter.glb",
  "unit": "m",
  "upAxis": "Y",
  "triangles": 7196,
  "dimensions": [
    3.08,
    2.759,
    0.274175
  ],
  "uv": "Per-component primitive or automatically unwrapped UVs. Overlapping between components; not a packed unique lightmap atlas. Solid-color PBR materials; no external textures. STL has no colors or UVs. Repeated static parts are grouped into named assemblies; triangle-corner UVs and material records retained from original.",
  "provenance": {
    "method": "Original procedural geometry, followed by geometry-preserving static GLB assembly grouping",
    "tool": "Blender 4.3.2; Meshcopia city generator 1.0; grouping postprocessor with Python 3.12.14 and NumPy 2.3.5",
    "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/group_static_assemblies.py",
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    "changes": "Static repeated mesh parts grouped by original material within named major assemblies; no decimation, remeshing, UV change or material change. Candidate equivalence audited against frozen original GLB a1efa8331eed084c34270ccac4c2f6dbe78a03322cada6e72205f84f9194e672.",
    "alternateFormat": "STL written by scripts/city/group_static_assemblies.py from exact grouped GLB triangle coordinates; meters, Y-up, no colors or UVs; no printability or manufacturing validation.",
    "baseGeneratorUrl": "https://github.com/Xenoah/meshcopia/blob/main/scripts/city/infrastructure_extra.py",
    "postprocessGeneratorUrl": "https://github.com/Xenoah/meshcopia/blob/main/scripts/city/group_static_assemblies.py"
  },
  "usages": [
    {
      "relationship": "original",
      "project": "Meshcopia",
      "sourceUrl": "https://github.com/Xenoah/meshcopia",
      "sourcePaths": [
        "scripts/city/infrastructure_extra.py",
        "scripts/city/common.py",
        "scripts/city/infrastructure.py",
        "scripts/city/group_static_assemblies.py",
        "scripts/city/render_grouped_assemblies.py"
      ],
      "selectors": [
        "city-roller-shutter"
      ],
      "context": "Original city asset created for this library. No external deployment or reuse claimed."
    }
  ],
  "pageUrl": "https://xenoah.github.io/meshcopia/assets/city-roller-shutter/",
  "manifestUrl": "https://xenoah.github.io/meshcopia/api/assets/city-roller-shutter.json",
  "attribution": "Shopfront roller shutter by Xenoah / Meshcopia\nhttps://xenoah.github.io/meshcopia/assets/city-roller-shutter/\nCC BY 4.0 — https://creativecommons.org/licenses/by/4.0/\nChanges: Static repeated mesh parts grouped by original material within named major assemblies; no decimation, remeshing, UV change or material change. Candidate equivalence audited against frozen original GLB a1efa8331eed084c34270ccac4c2f6dbe78a03322cada6e72205f84f9194e672.",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
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      "url": "https://xenoah.github.io/meshcopia/assets/city-roller-shutter/source/city-roller-shutter.glb"
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      "url": "https://xenoah.github.io/meshcopia/assets/city-roller-shutter/source/city-roller-shutter.stl"
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      "id": "city-roller-shutter",
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        "bytes": 657,
        "filename": "LICENSE.txt",
        "sha256": "e353418aaa3397746965558465f74798c7fc5260669ce7a94c84f25550062aee",
        "text": "Shopfront roller shutter 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-roller-shutter/\nProvided as-is, without warranties (license Section 5).\nChanges: Static repeated mesh parts grouped by original material within named major assemblies; no decimation, remeshing, UV change or material change. Candidate equivalence audited against frozen original GLB a1efa8331eed084c34270ccac4c2f6dbe78a03322cada6e72205f84f9194e672.\nAdditional changes: Converted unchanged source GLB geometry to FBX, with documented compatible material/texture derivatives.\n"
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        "state": "published-verified"
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  "previewUrl": "https://xenoah.github.io/meshcopia/assets/city-roller-shutter/source/city-roller-shutter.glb"
}