Stippling can produce a extremely subtle and delicate gradient, great for parts that require a gentle transition. Overlapping Strokes: Layering or overlapping strains can develop a sense of thickness. This system is particularly handy with pens which have a uniform line width, like good lines. Pen and Markers: Markers https://israelccktx.look4blog.com/74908054/not-known-factual-statements-about-ink-drawing-for-beginners