This paper toy is Greg's Van, Greg's trademark vehicle from his touring days as a one-man band, based on the American animated television series Steven Universe, the papercraft is created by Paperized Papercrafts.
It made its first appearance in "Laser Light Cannon" when Steven was banging on its walls and roof to wake Greg up. Greg's van appears is a white mid-1970's Dodge Tradesman with an elaborate custom paint job; an outer-space mural with asteroids, shooting stars, and planets combined with a purple and white "Mr. Universe" logo and red, orange, and blue stripes. The interior contains a powerful sound system as shown in "Laser Light Cannon", "Ocean Gem", and "The Return". It is customized with enough hardware to act as a mobile sound studio as revealed in "The Message". [Source: wikia]
You may get this papercraft toy here: Steven Universe - Greg's Van Free Paper Toy Download