This papercraft is the Rocket Launcher, fires powerful rockets from the multiplayer-focused first-person shooter video game Quake III Arena, the paper model is created by NecruS. The size of finished model is about 291 (H) x 249 (W) x 950 (D) mm.
These generate Splash Damage, which do damage around the rocket's point of impact. The Rocket Launcher is a popular weapon, so expect some resistance when trying to get it. When someone kills someone with a Rocket Launcher, the game summary will announce something like "Grunt ate Bitterman's rocket." on direct hit kills or "Wrack almost dodged Gorre's rocket." on splash damage kills.
You may download this papercraft template here: Quake III Arena - Rocket Launcher Free Paper Model Download