This papercraft is a full size Jagdkommando Tri-Dagger Knife, a unique knife that has been milled from a solid piece of stainless steel, the paper model is created by Oleg Romanov. The size of finished model is about 51 (H) x 320 (W) x 51 (D) mm.
The blade's three sharpened edges twist as they come to a point while the grooved faces feature drilled holes that flow seamlessly together. The hollow handle has a waffle texture and threaded end cap.
You can download this paper model template here: Full Size Jagdkommando Tri-Dagger Knife Free Paper Model Download [BitCasa] [Box] [Gavitex]