This mech paper model is Timber Wolf (Mad Cat), a fast, heavy OmniMech from the real-time tactics video game MechCommander 2 of the BattleTech/MechWarrior franchise, the papercraft is created by Vlmarshall. Includes model remapped for MW3 textures. The size of finished model is about 210 (H) x 127 (W) x 161 (D) mm.
There is another MechCommander 2 - Timber Wolf (Mad Cat) Paper Model on the site available.
You can download the papercraft model here: MechCommander 2 - Timber Wolf (Mad Cat) Ver.2 Free Mech Paper Model Download