Maximum thickness I've seen was one character at the end of each line. It was basically harder to read than nostr:nprofile1qqsd4w2k9f932eshjglm9we36kd6kp6llf03lzz6sy0m535vhgvpvtspz4mhxue69uhkummnw3ezummcw3ezuer9wchsz8thwden5te0dehhxarj9e3xjarrda5kuetj9eek7cmfv9kz7qg4waehxw309aex2mrp0yhxummnw3ezucn89unamslr.