Hair Painting for Beginners: Illustrating Curly Hair with KD Ritchie. If you want to render hair that is bouncy, full and simple but didn’t know where to begin, then this painting class is for you! Choosing your top curl references. Making simple curls with less strokes. How curls nest and gap. Making looser and tighter curls. You’ll make illustrated hair that is perfect for photomanipulation or original character design!