Has anyone else seen a video about a triangle who turns into a circle at the end?

I saw a video a few years ago, regarding a simple black and white drawn cartoon/story about a triangle that goes around and meets different shapes, and at the end of the story, rounds off its edges and turns into a circle. In the middle of the story, the triangle gets into different “relationships”, one where it puts another shape on a pedestal, another where the shapes did not fit. For the life of me, I cannot remember the title of the story, and it was a really good one, possibly about self-reliance. I think saw it on either vimeo or youtube; does anyone else know what I’m talking about? If so, please send me the link to the video!