This mech paper model is a simple Bushwacker, a mech the real-time tactics video game MechCommander 2 of the BattleTech/MechWarrior franchise, the papercraft is created by Vlmarshall. There are 3 different textures available. The size of finished model is about 175 (H) x 147 (W) x 151 (D) mm. There is also a MechWarrior 3 - Bushwacker Paper Model on the site.
You can download the papercraft model here: MechCommander 2 - Simple Bushwacker Free Mech Paper Model Download