A heptagon in Euclidean space is unable to make uniform tilings along with other polygons, similar to the regular pentagon. On the other hand, it is among fourteen polygons that could fill a airplane-vertex tiling, in its scenario only together with a daily triangle plus a forty two-sided polygon (three. https://jaidenkgruw.fare-blog.com/38045113/getting-my-7-day-pill-organizers-to-work