Stippling can produce a pretty refined and fragile gradient, ideal for regions that need a gentle changeover. I love to use various pens for different things. I use thick markers for giant shadows because they’re huge and chunky and cover many paper immediately. I like Sharpies for scaled-down shadows https://how-to-draw-with-ink-pens82457.blogsidea.com/43498989/what-does-how-to-draw-with-ink-pens-mean