Making sleek gradients with a pen is a technique which can insert a way of realism and depth for your drawings. Architectural Drawings: Use these techniques to differentiate materials and surfaces in architectural drawings, like the brickwork of a setting up or the feel of a road. Cultural Motifs: https://waylonstpjd.eedblog.com/37223293/5-tips-about-ink-drawing-for-beginners-you-can-use-today