But the brand’s no stranger to a protractor. Designed in 1967, the Hexagonal ditches Ray-Ban’s usual curves in favor of flat crystal lenses and a stop-sign’s angles. It stands out without ...

The "quincunx" style adds a vertex in the center of each quadrilateral and creates four triangles, and the "convex" and "concave" styles choose the locally convex/concave subdivision. The "min_area" ...