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 Teddy Massines. The size of finished model is about 302 (H) x 234 (W) x 234 (D) mm.
There are other two chibi versions on the site: Avengers - Chibi Spider-Man Paper Toy and Ver.2.
You can download this papercraft model here: Marvel Comics - Chibi Spider-Man Ver.3 Free Papercraft Download