Final answer:
The two most common types of 3D figures are cylindrical shapes and geometric shapes, key elements in both practical and artistic applications.
Step-by-step explanation:
The two most common types of 3D figures are cylindrical shapes and geometric shapes. Examples of three-dimensional geometric shapes include cubes, spheres, pyramids, and cones. Cylindrical shapes, as the name implies, resemble cylinders and are characterized by their circular cross-section and straight sides, accruing their most familiar appearance in everyday objects like cans and tubes. These figures are fundamental in geometry and play a vital role in both practical applications such as engineering and in artistic representations where shapes form the basis of sculpting and design.