Leonardo da Vinci. A great, mysterious, magnetic person. So distant, and yet so modern. A lot of books and articles have been written and published about him, but it would never be enough. To view animated models of Leonardo da Vinci’s inventions, launch the application on your mobile device and point the camera at a Leonardo da Vinci’s drawing, which can be taken from an art book devoted to da Vinci, or even from a computer screen. The first version of the application contains following machines and mechanisms by Leonardo da Vinci: mortar with explosive cannonballs (bombard), test model of a swinging wing, boat with paddle wheels, printing press, odometer, multi-barreled gun, jack, mechanic drum machine, grinding machine, car, bicycle, ornithopter and armored van (tank).