Facial Animation Setup - Game Character Development with Maya - page 850

FIGURE 13.33 Rotate the vertices of the jaw.
3. Press E to switch to the Rotate manipulator; then press Insert and move the pivot
point to the spot from which the jaw will rotate. You can see this in Figure 13.33 ,
middle.
4. Rotate the jaw around the X axis so that the mouth is open ( Figure 13.33 , right).
5. As you can see in Figure 13.34 , left, the mouth doesn't look right yet. Spend some
time editing the vertices on the head to sculpt the shape of the mouth ( Figure
13.34 , right).