Abstract
The aesthetics of Industrial Design constantly changes in relation to the evolution of technology. As for the aerodynamics of an automobile, if the angle of a rear window is 30 degrees, then the Co-efficient of drag is the worst and the critical ange. The rear window with 30 degrees angle was considered to be the most beautiful before. However, nowadays we feel the rear window with 15 degrees is much more beautiful than the one with 30 degrees.
