first, make clear the length and width of your signboard, and what font (gold lettering, PVC lettering, luminous lettering, etc.) and what font (block letters, etc.) you can use computer typesetting and font writing format at the advertising design place ~ ~ and then you can choose what material to make words, and he will tell you how big each word is ~ ~ Generally, people who engage in advertising design can make words ~ nothing more than money.