This paper model is Lumpy Space Princess (often referred to by her initials LSP), the princess of Lumpy Space, based on the American animated television series Adventure Time, the papercraft is created by WebDude.
LSP is one of the three most recurring princess including Flame Princess and Princess Bubblegum. Finn and Jake have both traveled to Lumpy Space as well as to her parents' residence after she accidentally bit Jake in "Trouble in Lumpy Space." According to the events in "Princess Day" she is not recognized by the chair of princesses, partially because her dramatic attitude and the fact that she is no longer the heir to Lumpy Space.
Starting from the episode "To Cut a Woman's Hair," Lumpy Space Princess was living on her own in the woods of Ooo. According to her story in "The Monster," she lived among wolves, was banished, and began terrorizing a small village in order to eat their crops. She had returned to Lumpy Space, but as of "Princess Monster Wife," she decided to go back to living on her own in the woods as a hobo, presumably going back home every now and again to visit her parents. [Source: wikia]
You can download the papercraft template here: Adventure Time - Lumpy Space Princess Free Papercraft Download