Contour shading works equally to Hatching, but your lines will follow the curves of the item that you are drawing. In case you are drawing a curved object then making use of contoured traces about straightforward hatching will give extra illusion of form. Hatching and cross-hatching are critical techniques https://landenbtjzm.bloggip.com/36944920/examine-this-report-on-ink-pen-drawing-techniques