Notes on a Triangle (1966) by René Jodoin

From the National Film Board of Canada and director René Jodoin, who was invited to join NFB by film legend Norman McLaren, this is Notes on a Triangle (1966), a ballet of three hundred geometric transformations, animated into divisions, alignments, and patterns. Waltz music by Maurice Blackburn.

Per Enriching Mathematics, “Imagine replacing the triangle with a kite, or a rhombus, or an arrowhead, or…”