About this 3D model

Hello! this is my entry for Monster Hunter Generations contest. There is a weapon class in this game called Hunting horn, Its a heavy hammer-type weapon with addition to it, it works as a musical instrument that applies buffs to a hunter and his teammates. So I decided to make it functional, and designed it to be a whistle. i managet to make a few working prototypes, but the final product havent been printed due to the lack of time