{"id":"origami-diagram","no":389,"name":"Origami Diagram","ja":"折り図","era":"1950s–","family":"図解表現","kind":"スタイル","collection":"Dictionary expansion 21","addedAt":"2026-08-18","source":{"title":"OrigamiUSA","url":"https://origamiusa.org/"},"reference":{"status":"verified","pageUrl":"https://origamiusa.org/","credit":"OrigamiUSA","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Crease%20pattern%20swordsman.svg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Crease%20pattern%20swordsman.svg","credit":"折り紙の展開図（CC BY 4.0）"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Origami%20Diagrams%20of%20Origami%20Rooster.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Origami%20Diagrams%20of%20Origami%20Rooster.jpg","credit":"折り紙「雄鶏」の折り図 — Wikimedia Commons / CC BY-SA 4.0"}]},"essence":"吉澤章が体系化した点線と矢印の言語で、立体の折り工程を平面に記す図法。山折り・谷折りの記号法は言語を超えて通じ、展開図（クリースパターン）は数学の対象にまでなった。","cues":["山折り・谷折りの線種","工程を導く矢印","段階図の連続","展開図の幾何学"],"intents":["技術","遊び","静けさ"],"works":["手順のある作業を、言葉なしで最後まで導く説明図にするとき","折りの作品を、他人が同じ形に到達できる形で公開するとき"],"recipe":{"type":"山折りは点鎖線、谷折りは破線と決め、全図で線種を変えない","layout":"一図に一操作だけを置き、結果は次の図の冒頭で確認させる","material":"紙の表裏を濃淡で描き分け、回転と裏返しは矢印で明示する"},"avoid":"一図に複数の折りを詰めると、どこから折るのか分からず、途中で紙が図と合わなくなって進めなくなる","colors":["#ffffff","#ff0000","#121212"],"motif":"notation","pair":["blueprint","jianzhi"],"study":["吉澤章とヨシザワ＝ランドレット記法","ロバート・ラングの計算折紙","折り図の国際共通性"],"en":{"essence":"The dotted-line-and-arrow language systematized by Akira Yoshizawa for writing three-dimensional folding onto flat pages. Mountain and valley folds read across languages, and the crease pattern became an object of mathematics.","cues":["Mountain and valley line styles","Arrows guiding each step","Sequential step diagrams","The geometry of crease patterns"],"works":["Guiding a stepped procedure to the end without using any words","Publishing a fold so another person reaches the same result"],"recipe":{"type":"Dash dot for mountain, dashed for valley, never varied across figures","layout":"One action per figure, its result confirmed at the top of the next","material":"Front and back in two tones, turns and flips marked by arrows"},"avoid":"Packing several folds into one figure hides where to begin, the paper stops matching the drawing, and the reader cannot finish.","study":["Yoshizawa and the Yoshizawa-Randlett system","Robert Lang's computational origami","the diagrams' international legibility"]},"links":{"page":"https://indexstyle.org/styles/origami-diagram","json":"https://indexstyle.org/api/styles/origami-diagram","designSpec":"https://indexstyle.org/styles/origami-diagram/design.md","imagePrompt":"https://indexstyle.org/styles/origami-diagram/prompt.txt"},"usage":{"license":"CC-BY-4.0","licenseName":"Creative Commons Attribution 4.0 International","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"IndexStyle — https://indexstyle.org","attributionUrl":"https://indexstyle.org","scope":"Original IndexStyle text and structured data. Reference images, quoted works, and third-party material are excluded and retain their own rights."}}