This next layer is commonly done at a 90 degree angle, but you can insert them in as quite a few levels and angles as you decide on. The greater levels you increase at distinctive angles the greater dense your shading will develop into. Use Cross-Hatching for developing parts https://howtodrawwithinkpens11009.theideasblog.com/36627931/a-simple-key-for-how-to-draw-with-ink-pens-unveiled