This papercraft is the Black Bison Axe, Black Ranger's primary weapon, a black stylized handaxe with two blades, based on the Power Rangers franchise, the paper model is created by Evgeny Rodin. The size of finished model is about 214 (H) x 27 (W) x 105 (D) mm.
You may download this papercraft template here: Power Rangers - Black Bison Axe Ver.2 Free Papercraft Download
