5. Add the Final Touches Prev Next Trace the pencil lines you want to keep with a felt-tip pen. Erase any extra lines. Hone your drawing skills at Mach 1 with our next project. Learn to draw a jet. Up Next How to Draw Impossible Shapes How to Draw a Woman in an Oversized Sweater in 5 Steps How to Draw a Woman in a Bathing Suit in 5 Steps How to Draw Dump Trucks in 11 Steps How to Draw Cathedrals in 5 Steps See all How to Draw articles. Go to the HowStuffWorks home page.