This gundam paper model is a GN-001 Gundam Exia (aka Gundam Exia, Exia, Gundam Seven Swords), created by Timmy Arditio (Zell007), and shared by yenc. There are other two versions on the site: GN-001 Gundam Exia Paper Model, Ver.2 and Ver.3; also GN-001/hs-A01 Gundam Avalanche Exia and a SD GN-001 Gundam Exia Papercraft available.
You can download this papercraft template here [Note: I checked the template, it seems too complicated. If you want to make GN-001, recommend to choose another template.]: GN-001 Gundam Exia Ver.4 Free Papercraft Download [Yadi.sk] [Box] [Gavitex] [Ge.tt]