This paper toy is a Team Anglerfish Panzer IV Ausf. D, based on the manga / anime series Girls und Panzer, the paper toy was created by C/Fe. The Anglerfish team is consists of second year students from Ooarai Girls High School. The team operates a German Panzer IV. They first found the Panzer IV Ausf.D inside their school's workshop in abandoned state. They never repaint it but they bought some stuffs for it's interior.
You can download this papercraft toy here: Girls und Panzer - Team Anglerfish and Panzer IV Ausf. D Free Paper Toy Download