Making sleek gradients with a pen is a method that will insert a sense of realism and depth for your drawings. Layering Traces: Layering good traces at unique angles can make a more nuanced gradient. You may start off with horizontal traces, then layer with vertical or diagonal traces. https://ink-pen-drawing-technique72604.blogolize.com/the-best-side-of-how-to-draw-with-ink-pens-76047329