Producing smooth gradients with a pen is a method which will increase a sense of realism and depth in your drawings. Employing Various Pen Dimensions: Experiment with distinct sizes of pen nibs for different dot sizes. Larger dots can be used for rougher textures, when finer dots are ideal https://rylanmrrqq.thezenweb.com/an-unbiased-view-of-how-to-draw-with-ink-pens-75505771