This papercraft model is a HD version Super Buu (aka Majin Buu Evil), the end result of Evil Buu eating the Good Buu turned into chocolate, based on the Dragon Ball series, the paper model was created by Juke. There are also Chibi Super Buu and Chibi Majin Buu Papercraft on the site. The finished model stands about 64 cm tall.
About the Dragon Ball paper model:
Size: 64 cm
Format: .pdo line + lineless
You can download the papercraft model here: Dragon Ball - Super Buu HD Free Papercraft Download