This papercraft is a chibi Shinku, the fifth doll of the Rozen Maiden anime / manga series, the main female protagonist of the story and the strongest doll among her sisters, the paper toy was created by desu.
There are more Rozen Maiden Shinku papercrafts at the site:
Rozen Maiden – Shinku Ver.4 Free Paper Craft
Rozen Maiden – Dark Shinku Free Paper Craft
Rozen Maiden – Shinku Free Papercraft
Rozen Maiden – Shinku Chibi Free Papercraft
You can download the paper craft toy here: Rozen Maiden - Chibi Shinku Ver.5 Free Paper Toy Download