It's best thought of a bit like an Etch-a-Sketch, where the Etch-a-Sketch has a layer of magnetic filings beneath the screen that are then pulled upwards to create its lines.

Photoshop CS6 tutorial showing how to create your own lineographic drawing like the ones made on the famous 1960, Etch A Sketch toy. Etch A Sketch PSD file: <a href=" Subscribe!

Join us on the red carpet of the SKETCH premiere! Some of Hollywood's biggest stars show us their best "monster faces" and go ...