Hatching for Thickness: By hatching (drawing carefully spaced parallel lines) in selected areas, you'll be able to build the illusion of the thicker line and increase texture for your drawing. City Sketches: Draw architectural details with a pen and fill in the vibrancy of metropolis everyday living with markers https://mylesygkor.digitollblog.com/35906785/detailed-notes-on-ink-pen-drawing-techniques