A heptagon in Euclidean Area is not able to generate uniform tilings together with other polygons, such as the common pentagon. Having said that, it is one of fourteen polygons which will fill a aircraft-vertex tiling, in its situation only together with a regular triangle and also a 42-sided polygon https://7-day-pill-organizers17407.blogsumer.com/36856937/top-guidelines-of-7-day-pill-organizers