■ Alphas 123
on the model surface with different alphas selected. Notice how the radial alphas create a
seamless fluid stroke while the arrow or other alphas with a more directional appearance will
follow the stroke, reorienting as you drag. Table 4.1 describes each Alpha menu setting.
Figure 4.8 The Lightbox browser
Alpha 01 Alpha 33 Alpha 60
Figure 4.9 A Freehand stroke using various alphas