Document showing many examples of strokes generated using the variable width profiles / stroke feature of Illustrator CC 2018 2017 2015 2014 CS6 etc The #variable #width profiles can be expanded in #Illustrator via the object menu and used as normal paths. You can use the strokes with all kinds of paths as well as combine using the appearance panel. The results of the strokes can also be exported for use in other applications such as Photoshop and Affinity Photo etc