Russian computer animated cat from 1968

In 1968, Russian computer scientist Nikolai Nikolaevich Konstantinov and his colleagues at Moscow University created this computer animation of a cat using their Big Electronic Counting Machine (BESM). Their research, published in the scientific journal "Problems of Cybernetics, was pioneering in its use of mathematics to model complex motion. More about the research here, in Russian: Кошечка (etudes.ru via r/ObscureMedia)