The 2012 edition of the Overhead Sketch Battles presented by Grayscale kicks off tomorrow (8 March) at their store and gallery in Johannesburg.
Below are some favourites from last years battle:
>> Click through the gallery below to see all the sketches from O.S.B 2011:
All sketches were drawn on a piece of overhead transparency using an overhead projector over a one-hour period. Only black markers were allowed and an audience watched the entire process as it was projected onto the wall.