Portraits: Use pen with the intricate facts of facial characteristics and markers or colored pencils so as to add pores and skin tones and hair colour, providing a practical and vivid search. Making use of Different Pen Measurements: Experiment with distinct measurements of pen nibs for varying dot measurements. https://ink-pen-drawing-technique80911.blogsumer.com/36408643/the-basic-principles-of-ink-pen-drawing-techniques