This papercraft is a chibi Spider-Man, a fictional character that appears in comic books published by Marvel Comics, the paper model is created by PaperWar. There is another chibi version paper toy on the site: Avengers - Chibi Spider-Man Paper Toy.
About this paper model:
Size: 20 cm
You can download this papercraft model here: Marvel Comics - Chibi Spider-Man Free Papercraft Download