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This splits the face into two faces. Youll extrude the left face into a finger
later.
4 Repeat the preceding two steps as necessary to split the face as follows:
Notice how splitting the face into multiple faces alters the shape of the
subdivision surface. The front part of the subdivision surface now
resembles the proxy shape more. If you were to split the front face several
more times, especially near the outer edges, the subdivision surface would
sharpen and resemble the proxy shape even more. More faces means finer
control, often at the expense of making the surface harder to work with.
With the added faces, the subdivision surface looks a bit like the palm of
a hand. Youll build upon this shape to create a left hand with palm facing
downward and fingers extruded outward. Youll extrude the wide faces
into fingers, and youll leave the narrow faces as webbing between the
fingers.
172 | Chapter 5 Subdivision Surfaces