This robot paper model is the Claptrap, a CL4P-TP General Purpose Robot, based on the video game Borderlands 2. The papercraft is designed by Destro2k. The model will come on 65 pages with over 400 parts. There is another simple version at the site: Borderlands 2 – Claptrap CL4P-TP General Purpose Robot Free Paper Model.
You can download this robot paper craft template here: Borderlands - CL4P-TP Robot Free Paper Model Download