Fountain pens with nibs which might be appropriate for drawing are expensive, refillable and a conveyable substitute to a dip pen. Their lines differ with the angle at which They are really held as well as the pressure put on the nib, which splays the tines with the pen, https://beauxdhko.webbuzzfeed.com/35502027/the-fact-about-how-to-draw-with-ink-pens-that-no-one-is-suggesting