Air Ducts 360Logo Design Contest Logo Design Contest Contests / Air Ducts 360 Air Ducts 360 has selected their winning logo design. For $375 they received 83 designs from 14 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Alexander Return to Contest Return to Contest Withdrawn New #33 Withdrawn Prefers others. #35 Withdrawn Prefers others. #34 Discussion No comments yet.