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Always wanted to make a rolling polygon sketch. What do you notice? What is there to wonder about? I thought it would be cool to trace its path, so there's a checkbox to turn that on. I was wondering how it compared to a rolling circle, so I added that. What else would you add? Is the sketch accurate? I mean, if you had a real pentagon rolling, would it roll like this? There is a tool to make your own rolling polygons. It asks for 2 points to make a regular polygon, the number of sides, and the slider for the turning. So the first number it asks for, put n or the number of sides you want, and for the second number put t.