{
  "source": "無印良品 収納モジュール講座用 shelf-3d-studio",
  "sourceRevision": "module-v040",
  "manual": {
    "url": "https://www.muji.com/public/media/jp/doc/item/02_4549337263161_00001.pdf",
    "title": "スタッキングシェルフ・2段・3段・5段 組立・取扱説明書",
    "edition": "2025-04-18",
    "printedPages": [
      4,
      5,
      6,
      7,
      8,
      9
    ]
  },
  "nominalDimensionsCm": {
    "2": [
      42,
      28.5,
      81.5
    ],
    "3": [
      42,
      28.5,
      121
    ],
    "5": [
      42,
      28.5,
      200
    ]
  },
  "provenance": "講座の木目・外形寸法・金具中心軸（前後z=±0.104m）を再利用。側板Aの止まり穴、側板Bの貫通穴とボルト座、仕切板の通し穴、パイプ・ボルトを同じ軸から再構成。メーカーCADではない。",
  "originalAssets": {
    "assets/shelf-parts.glb": "b75e0880f57fee4a600d86c7f763575fe0d068c6501afbca4514e0e822063180",
    "models.js": "37dffd58f19905a6afd9ced1863d9a066d8aba5e42a037661b044be56308438c",
    "product-finishes.js": "4929f5ccdc519f79c0353ebed98cf65254bb3cde77c51fd60bce773bcc2018f1"
  },
  "revision": "v5-wide-connected-grounded-tool-insertion",
  "geometryLimits": "ネジ径、穴径、座ぐり、ねじ規格・金具細部は説明用推定。前後軸は講座GLBから測定した値で、メーカー製造図による寸法保証ではない。",
  "correctedInV2": [
    "旧パイプ・ボルト軸±0.095mを講座金具の±0.104mに統一",
    "側板A外面の不要な穴を撤去し内面の止まり穴に変更",
    "側板Bと仕切板の穴をパイプ軸に合わせて作成",
    "浮いていたボルト頭を座ぐり内に配置",
    "フェルトを側板底面の内側へ移動",
    "転倒防止金具の壁側ネジと接する壁面を追加"
  ],
  "baseSide": "Aの外面は穴・金具なしの連続木面。初期視点もAの外面側。内面の接続穴と反対側Bの固定ボルトを区別。完成用シールに穴を連想する輪郭線を付けない。",
  "pdf_book": {
    "source": "official-manual.pdf",
    "pages": 15,
    "pageImages": "book/page-01.webp … page-15.webp",
    "renderedAtLongEdgePixels": 1700
  },
  "ar": {
    "source": "existing shelf-studio AR modules",
    "units": "metres",
    "scale": 1,
    "ios": "generated USDZ / Quick Look, allowsContentScaling=0",
    "android": "WebXR hit-test / DOM overlay",
    "devicePlacementVerified": false,
    "supportedConfigurations": "standard / wide / up to four connected columns, descending heights"
  },
  "pipeFinishEvidence": {
    "product": "https://www.muji.com/jp/ja/store/cmdty/detail/4549337405707",
    "image": "https://www.muji.com/public/media/img/item/4549337405707_org.jpg",
    "observed": "white/ivory painted bar body, metallic male thread",
    "verified": "official product image visually inspected"
  },
  "connectedShelfEvidence": {
    "source": "https://www.muji.com/jp/feature/pdf/newlife/storage-leaflet.pdf",
    "page": 31,
    "nominalConnectionOverlapMetres": 0.02,
    "sideThicknessMetres": 0.0225,
    "courseRule": "Nominal connection width retained; small clear-bay adjustment shared across columns as in the original course renderer. All shared pipe axes use one pitch.",
    "maxShortSideHeightAdjustmentMetres": 0.003
  },
  "manuals": {
    "wide": {
      "local": "manuals/wide/manual.pdf",
      "pages": 15
    },
    "add": {
      "local": "manuals/add/manual.pdf",
      "pages": 12
    },
    "wide-add": {
      "local": "manuals/wide-add/manual.pdf",
      "pages": 12
    }
  },
  "v18": {
    "date": "2026-10-22",
    "openManual": {
      "url": "https://www.muji.com/public/media/jp/doc/item/02_4549337263277_00001.pdf",
      "edition": "2017-04-05",
      "sha256": "43ade2a1904b886421338fd4a48b312a9a2bd831640ff3d422f5d1e611539ae1",
      "pages": 17
    },
    "pipeProjectionMm": 6.5,
    "pipeProjectionSource": "https://faq.muji.com/スタッキングシェルフの組み立てのコツ-683404ae094410d1d3bfdebf",
    "cavity": "Round apertures and shared cavity per user product observation. Skin/wall thickness and guide deflection are explanatory, not factory dimensions.",
    "longKeyGuidance": "Official basic p6, additional p7, wide basic p6 and wide additional p7. Short leg used for tightening; long leg used for locating pipe.",
    "openStructure": "A/B at levels0,1,4,5; C at upper/lower outer rows; eight long pipes and four/eight short pipes; D middle holes sealed both faces or cap-connected to following regular/wide.",
    "wallInstruction": "Optional playback; wall fixing requirement retained for wide,5-tier,open. Long bracket geometry is explanatory.",
    "video": "30.000s,1920x1080,30fps; fixed overview and joint inset; room finale."
  },
  "v24": {
    "pipeDiameterMm": 10,
    "passageDiameterMm": 10.6,
    "diameterBasis": "Visual reconstruction from official product photo and assembly illustration, not manufacturer measured dimensions",
    "photoSources": [
      "https://www.muji.com/jp/ja/shop/045840/articles/muji-staff/1124871",
      "https://www.muji.com/public/media/img/item/4549337405707_org.jpg"
    ],
    "boltHeadRecessDiameterMm": 13.6,
    "blackReceivingBores": "blind side A / through side B / board endwalls / upper and lower cutaway apertures",
    "stairClosure": "Non-connecting bolt axes closed immediately after side seated, before next column pipes",
    "connectedAlignment": "Straight insertion without hex-key probing from second bay onward",
    "playbackModes": [
      "intro",
      "companion"
    ]
  },
  "v25": {
    "throughSide": "Two pipe receivers with a solid wooden central shoulder and a smaller through-thread passage, matching the supplied product photo",
    "userPhoto": "User supplied close-up, 2026-10-22",
    "shoulderThicknessMm": 9.5,
    "wideSpacerLengthMm": 9.5,
    "derivation": "22.5mm reconstructed side thickness minus two6.5mm pipe projections; not a factory cross-section measurement",
    "threadPassageDiameterMm": 5.6,
    "pipeReceiverDiameterMm": 10.6,
    "pipeBodyDiameterMm": 10,
    "threadCrestDiameterMm": 5.3,
    "threadEngagementMm": 4.5,
    "counterReceiverDepthMm": 5.75,
    "unchanged": "Standard basic side A retains its blind receiving holes; shelf boards retain one shared cavity",
    "video": "v5: new joint geometry;900 full-HD frames;30 seconds; monotonic raise and one room transition"
  }
}