This paper model is a SD ZGMF-X42S Destiny Gundam, the titular mobile suit of Mobile Suit Gundam SEED Destiny, the papercraft was created by ga-beragp04. There is another SD Version on the site.
You can download this papercraft template here: SD ZGMF-X42S Destiny Gundam Ver.2 Free Papercraft Download [Box] [Gavitex]