

Frame from FACE_4.ANS, an ansimation by MCL (aka Michael C. Ling). Possibly made ca 1990. More MCL at sixteencolors.net.
Le Merle (The Blackbird) by Norman McLaren, 1958. More.
Rythmetic by Norman McLaren and Evelyn Lambart, 1956. Mathemagical text art poetry.