#25428
It's the subtle transitions in color that give the illusion of three dimensions in two-dimensional artwork. Gradients are used to simulate light hitting a curved or angular surface. The gradual blending from one color to another is the key. Linear and radial gradients can be used effectively to show flat and rounded shapes, but Illustrator's gradient meshes are best for creating complex shapes.
Bauer, Peter. Illustrator World (2005). Design>Graphic Design>Technical Illustration>Adobe Illustrator
#21928
If you create technical art in Illustrator, check out these tips - in fact, check them out even if you don't.
Alspach, Ted and Jennifer Alspach. Adobe Magazine (1996). Design>Graphic Design>Technical Illustration>Adobe Illustrator
#21963
An under-the-hood look at Illustrator's versatile unite filter.
Zeitman, Randy. Adobe Magazine (1995). Design>Graphic Design>Technical Illustration>Adobe Illustrator
