#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
#27429
Using the Blend If sliders in the Layer Style dialog box, you can quickly and easily create interesting duotone and silhouette effects.
Bauer, Peter. Planet Photoshop (2006). Design>Graphic Design>Prepress>Adobe Photoshop
#27440
'Step-and-repeat' is the term used for the process of duplicating an object and spacing or transforming the duplicates sequentially.
Bauer, Peter. Planet Photoshop (2006). Design>Graphic Design>Software>Adobe Photoshop
