This paper doll craft is a chibi Azusa Nakano, based on the comic K-on!, the papercraft is designed by Dark Knight. There is another Azusa Nakano paper model at the site: K-On! – Azusa Nakano Free Doll Papercraft.
You can download this doll paper craft model here: K-On! - Chibi Azusa Nakano Free Papercraft Download [DropBox] [Box] [Gavitex]