Check out this 2 min time-lapse of actually 15 min of uninterrupted sketching process.
(Use the biggest screen you can find watch it fullscreen, HD 720p and at maximum volume or headphones)
CONCEPT:
The aim is to work so fast and automatistic that no conscious thinking could get in the way of the FLOW.
It is purely dish washing liquid and a sponge. Try it yourself.
LINE TIME FOAM FILM SAND HAUS from Peter Sandhaus on Vimeo.
LINE TIME FOAM FILM SANDHAUS