By combining radial brushes within a canvas, you can simulate simple lighting effects to create 3-D-style objects. While I recommend using Microsoft's Expression Blend 2 product to create gradients ...

Adobe Releases Photoshop Lightroom 5 With New Healing Brush, Radial Gradient, and Straightening Tools Sunday June 9, 2013 9:01 pm PDT by Eric Slivka ...