Cross hatching is the same as hatching apart from the lines cross in excess of each other. The more which the strains cross, the darker the value. Cross hatching may be used with rigid straight traces or as cross contour lines to determine the form of the article. You https://how-to-draw-with-ink-pens99876.amoblog.com/the-basic-principles-of-ink-pen-drawing-techniques-59875321