This WWII tank paper model is the OT-62 TOPAS, designed by Michal Tichy. The scale of this papercraft is 1:100. This papercraft is with interior. This is Czechoslovak's version on Soviet transporter BTR 50.
The OT-62 TOPAS is a series of amphibious tracked armoured personnel carriers developed jointly by Poland and Czechoslovakia. OT-62 stands for Obrněný Transportér vzor 62 - "armoured personnel carrier model 62". TOPAS stands for Transportér Obrněný Pásový - "tracked armoured personnel carrier".