When you've got blurred your outlines, make an effort to trace the main blurred line with a thick pen. You'll likely realize success on the 2nd try out and you will conceal the wobbly line a bit with the thicker pen. It's been popular with artists for many years, https://troylxhsb.blog-gold.com/45033071/the-single-best-strategy-to-use-for-ink-pen-drawing-techniques