This paper doll craft is the chibi Saber (Nero), one of three Servants, based on the the game Fate/Extra. Fate/Extra is a Japanese dungeon role-playing game for the PlayStation Portable, created by Type-Moon and Image Epoch and published by Marvelous Entertainment. The game takes place in a parallel universe to the visual novel Fate/Stay night.
Fate/Extra will be followed up by a companion game, Fate/Extra CCC. Instead of being a straight sequel, the game is said to be a type of "Heaven's Feel" Route of Fate/Extra, similar to the similarly named route in Fate/Stay Night.
Waking up in a strange virtual world with no recollection of the past, the main character finds themselves forced to fight for survival in a war they do not understand for a prize beyond value; the opportunity to have one’s wish granted. With only an enigmatic "Servant" by their side, the protagonist will have to face both friends and foes in battles to the death in order to not only gain possession of a mysterious object known as the "Holy Grail", but also to find the answer to the most important question of all: "Who am I?".
You can download the papercraft here: Fate/Extra - Chibi Saber (Nero) Free Papercraft Download [Box] [Gavitex]