A heptagon in Euclidean Area is unable to make uniform tilings along with other polygons, just like the common pentagon. On the other hand, it is among fourteen polygons that can fill a aircraft-vertex tiling, in its case only along with a daily triangle along with a 42-sided polygon (3. https://stephenlejtw.blog5.net/85164372/a-review-of-7-day-pill-organizers