Grab your trash paper, pencils and Pantone markers and start the clocks. Core77 announced a 1 Hour Design Challenge to see who can draw the most ideation sketches in an hour. Draw any one subject you like- cars, interior sketches, buildings, shoes- anything! Sketches can be manual or computer aided. See additional details here. 1st through 3rd place winners will be featured in the Core77 Newsletter AND the Core77 Blog. Contest ends 30 August 2009 @ 9PM PST.