Surfaces serve as the infinitely thin boundary of faces that encloses a solid. A solid could not exist without somrthing to seperate the inside from the outside. In the same way that endpoints are the boundaries of a line or edge, and edges form the boundary around a surface, surfaces are the boundary around a solid.

Although these surfaces exist in 3D space, they do not take up any volume. As it stands they are infinitely thin, mathematically-represented skins.

The links to the left provide only a sample of what can be done with surfaces. Through experimentation and practice on your part just about any form can be created using surfaces.

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