Generating smooth gradients with a pen is a way that will add a sense of realism and depth to the drawings. Architectural Drawings: Use these techniques to differentiate supplies and surfaces in architectural drawings, such as the brickwork of a developing or the texture of the road. LeMasters explained https://inkdrawingforbeginners31368.suomiblog.com/the-best-side-of-ink-pen-drawing-techniques-52960082