Ofishin Kwafin Kwafin zane zane ne don makarantar shirya tauraron dan adam ta Toshin a cikin Kawanishi, Japan. Makarantar ta nemi sabon liyafar, tattaunawa da filin taro a cikin wani kunkuntar 110sqm mai ƙarancin rufi. Wannan ƙirar tana ba da damar buɗe sararin samaniya mai karɓa da karɓar triangular mai karɓa da kuma bayanan talla da ke rarraba sararin zuwa sassan aiki. An rufe murhun a takaddun farin ƙarfe a hankali. Wannan haɗin ana haɗa shi ta madubi a bangon bangon bayan gida da kuma bangarori na aluminium mai haske a kan rufin da ke shimfiɗa sararin samaniya zuwa manyan fa'idodi.
Sunan aikin : The Duplicated Edge, Sunan masu zanen kaya : Tetsuya Matsumoto, Sunan abokin ciniki : Matsuo Gakuin.
Wannan kyakkyawan ƙira shine mai cin nasarar ƙirar ƙirar zinari a cikin samfuran fitilu da gasa ayyukan ƙirar haske. Tabbas yakamata ku kalli kyautar zane-zanen zinare da aka samu ta zinare don gano wasu sabbin abubuwa, sababbi, na asali da na kayan samarda hasken wutar lantarki da kuma ayyukan samarda hasken wutar lantarki.