George Vlosich, considered the world's greatest Etch-A-Sketch artist, has been perfecting his craft for the past 20 years. Vlosich works with one continuous line, which means one mistake and he's forced to start over. Each piece takes 70-80 hours to complete.
For more details on the process, check out Vlosich's step-by-step here.
Vlosich's most popular YouTube video below, as well as a sampling of images of his past work.
For more images of Vlosich's work, visit his gallery.