We are always being approached by wargamers for custom design work. We work closely with Ivan from Wargame print and together we design and print wargame mats from scratch, Here are a few recent examples. Also see https://wars175x.narod.ru/wargameprint/index.html for more of Ivans work.
Design can start from as little as £25. Just email a rough sketch, and your gaming scenario, colours and tex required and we can do the rest. We can hem the cloths or leave straight cut.