A heptagon in Euclidean House is unable to generate uniform tilings along with other polygons, much like the standard pentagon. Even so, it is one of fourteen polygons which will fill a airplane-vertex tiling, in its case only together with a daily triangle along with a forty two-sided polygon (3. https://senioraidtools.com/10-easy-mobility-exercises-for-seniors-to-stay-active-and-independent/