Local Motors, the company which opened our eyes when they announced that they will be 3D printing an entire vehicle live at the International Manufacturing Technology Show in Chicago in September, has announced a 3D Design competition for the best designs which they could use to 3D print their vehicle.
http://3dprint.com/2299/local-motors...ign-challenge/

Winners of the contest will receive prizes worth over $10,000. Grand prize will be $5000 and a trip to the International Manufacturing Technology Show. Other smaller cash prizes will be warded to the runners up. More details on the contest can be found at at the Local Motors contest page. Here is a video about the challenge: