Explain different types of Surface Models also write down pros and cons of each

CAD/CAM representation of a surface

CAD/CAM systems use primarily two types of surfaces: Regular (or canonical) surfaces include surfaces of revolution such as cylinders, cones, spheres, and tori, and ruled surfaces (linear in one direction) such as surfaces of extrusion.

the following sets of characteristics describe what we know about the outer plants is c. rocky surface, closet to the sun and larger in size