Byoung K. Choi, Bo H. Kim and Robert B. Jerard
Many products are designed with sculptured surfaces to enhance their aesthetic appeal; it is an important factor in customer satisfaction, especially in the automotive and consumer-electronics industries. Other products have sculptured shapes to meet functional requirements, such as:
Figure 22.21 Finding an angular range belonging to the smallest number of tangent ranges.
• Aerodynamic: airfoils (jet engines), impellers (compressors), marine propellers, etc.
• Optical: lamp reflectors (automobiles), shadow masks (TV monitors), radar dishes, etc.