How To Write Bold Letters On Paper . Most people draw their block letters viewed from above. Print it out in the size you’d like. Bold Line LetterWriting Paper 0.4375 Inch Line Spacing American from www.aph.org If your letters look too spread out or too tight, you should fix this before you write! Draw the lines to the right if you want your letter facing left and to the right if you want them facing right. Black and gray copic permanent markers;