I posted about Reuleaux Triangles in 2017, and here's another video about them. Like a circle, a Reuleaux Triangle is a shape with constant width. In other words, you can rotate a reuleaux triangle in a square with all four sides touching. In this video the Action Lab Man demonstrates Reuleaux Triangles and explains why they aren't good as wheels – they don't have a fixed center of rotation like a circle does.
These triangular blobs roll like wheels
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The only thing hotter than summer? A $15 Sam's Club membership when it's usually $60.
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