Grenade Paper Model In Scale - by Royaje Papercraft == A paper model of a grenade in scale, by Indonesian designer Wong Hidayat, from Royaje & Daywong Papercraft. The model is without textures, but you can color it at your favorite image editor.
Leonardo Da Vinci`s Ornithopter Paper Model - by Rozhlas Leonardo Da Vinci’s fascination with machines began when he was merely a boy. His earliest sketches depict the inner workings of various machines from his era.
40 Amazing Papercraft Templates for the Geek Inside You