​This technique is very similar to hatching, however it involves developing a 2nd set of straight parallel traces along with the initial. This second list of lines may be drawn in any angle or direction you need, as long as you pick an angle and keep it constant through. https://how-to-draw-with-ink-pens99880.fare-blog.com/35071638/ink-drawing-for-beginners-no-further-a-mystery