This paper model is Nurse Pound Cake, one of the medics, the others being Doctor Princess and Dr. Ice Cream, to help assemble Princess Bubblegum, based on the American animated television series Adventure Time, the papercraft is created by WebDude.
Like Dr. Donut, she doesn't have a Scientific Parasite in her pocket, because of her lack of pockets. It was revealed in "Wizards Only, Fools" that she believes in magic and doesn't want to help Princess Bubblegum inject Starchie with a cure for the cold.
Nurse Pound Cake is in the shape of a square pound cake, hence her name. She is also light on all sides, indicating she has no crust. She wears a light pink scrub and a hat with a red cross on it. She also appears to be missing her front teeth. [Source: wikia]
You can download the papercraft template here: Adventure Time - Nurse Pound Cake Free Papercraft Download