{"id":"islamic-geometric-pattern","no":112,"name":"Islamic Geometric Pattern","ja":"イスラム幾何学文様","era":"8th century–","family":"装飾","kind":"技法","collection":"Dictionary expansion 06","addedAt":"2026-08-17","source":{"title":"Museum of Islamic Art, Doha","url":"https://mia.org.qa/"},"reference":{"status":"verified","pageUrl":"https://mia.org.qa/","credit":"Museum of Islamic Art, Doha","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Alhambra%20Tiles%2C%20Granada%20(5987791930).jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Alhambra%20Tiles%2C%20Granada%20(5987791930).jpg","credit":"アルハンブラ宮殿のタイル（CC BY 2.0）"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/J%C4%81meh%20Mosque%20of%20Isfah%C4%81n%20(53806077958).jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:J%C4%81meh%20Mosque%20of%20Isfah%C4%81n%20(53806077958).jpg","credit":"イスファハーン金曜モスク（CC BY 2.0）"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Girih%20tiles.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Girih%20tiles.jpg","credit":"ギリー・タイルの文様（CC BY-SA 4.0）"}]},"essence":"円、正方形、多角形、星形を分割・反復・組み合わせ、有限の面に無限の拡張性と秩序をつくる。","cues":["コンパス作図","星形","反復単位","絡み合う線"],"intents":["静けさ","高級","信頼"],"works":["壁面や天井の全体を、継ぎ目を意識させずに埋めていく装飾の計画","反復単位から可変の格子やスクリーンを起こす、建材や製品の設計"],"recipe":{"type":"文字を入れるなら装飾帯へ独立させ、幾何の割りを崩さない","layout":"作図円の半径から単位を決め、面の四辺で単位が完結する寸法にする","material":"石の透かし、木の組子、タイルの象嵌で線の交差を段差として見せる"},"avoid":"作図に従わずに星形を貼り合わせると交点で線がずれ、反復すると誤差が目に出る。イスラム世界を単一文化として扱わず、地域、王朝、素材、用途を確認する。","colors":["#e6d4a7","#3d7692","#6c4c38"],"motif":"pattern","pair":["op-art","stained-glass"],"study":["girih","jali","Topkapı Scroll"],"en":{"essence":"Divides, repeats and combines circles, squares, polygons and stars, building infinite extension and order on a finite plane.","cues":["Compass construction","Star forms","Repeating units","Interlacing lines"],"works":["Filling walls and ceilings so the surface reads continuous, with no visible seam.","Deriving screens and modular building parts from a single repeating unit."],"recipe":{"type":"If lettering enters, give it its own band and leave the grid intact.","layout":"Derive the unit from the construction circle and size the field in whole units.","material":"Pierced stone, assembled wood, inlaid tile, crossings shown as level changes."},"avoid":"Star shapes pasted together without the construction leave lines that miss at the crossings, and the error multiplies when repeated. The Islamic world is not one culture, so check region, dynasty, material and use.","study":["girih","jali","Topkapı Scroll"]},"links":{"page":"https://indexstyle.org/styles/islamic-geometric-pattern","json":"https://indexstyle.org/api/styles/islamic-geometric-pattern","designSpec":"https://indexstyle.org/styles/islamic-geometric-pattern/design.md","imagePrompt":"https://indexstyle.org/styles/islamic-geometric-pattern/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."}}