Control points that can be animated are given the codes shown in Figure 3. These points were selected to
maximize the expressive/complexity tradeoff (see section 6). In the case of points that can move in two dimensions,
each dimension is denoted as either ÒhÓ for horizontal or ÒvÓ for vertical (Figures 4, 5 & 6). The following is a
complete list of all one-dimensional motors that can be manipulated in a face [control point number in brackets]: