Stippling can make a very refined and sensitive gradient, great for regions that require a soft changeover. Overlapping Strokes: Layering or overlapping lines can produce a perception of thickness. This method is especially valuable with pens which have a uniform line width, like high-quality strains. The next video clip https://martinxozwv.tinyblogging.com/the-smart-trick-of-ink-pen-drawing-techniques-that-no-one-is-discussing-80767939