Choosing the right pen for your project is an essential step. The right pen for you depends a lot on your writing goals. Ballpoint pens are dominant today, as many consider them cleaner and more practical than classic fountain pens. Ballpoint pens are disposable and dispense ink via a ball bearing at the pen's point. The ball bearing can roll in any direction, creating a uniform stroke of ink. A ballpoint pen works if you're looking for a low-maintenance tool you can easily use and replace. Fountain pens let ink flow naturally from the reservoir through the nib, or the pen's tip. You can change the speed and angle of your writing to determine the width of your pen strokes. Although ink cartridges are disposable, you do need to manually replace them. A fountain pen works well if you want to draw expressive lines and varying widths.