Anatoly Petrov was an influential Russian animator who recently passed away. He worked on many famous pieces including The Musicians of Bremen and Vovka in a Far Away Land. In 1968 he started a career as a director and filmed several shots of Merry Go Round series. One of his best films is Polygon (1977) based on the story by the Soviet sci-fi writer Gansovsky about an engineer who created a manless tank that finds enemies by the sense of fear.
Polygon with English subtitles
The photographica technique employs two celluloid layers for each character and creates a 3D impression. No computers were available when this highly realistic cartoon was shot.