The Outer Bevel effect gives a selection of a three-dimensional look by creating the appearance of raised edges. It expands the size of the selection by the width of the bevel. You must first make a selection in the image before choosing the Outer Bevel command from the Effects menu. You can access the Outer Bevel effect dialog box by clicking Effects > 3D Effects > Outer Bevel.

First, make a selection:

This will make the Outer Bevel options available in the Effects > 3D Effects > Outer Bevel

The Outer Bevel dialog box contains the following controls:

•Bevel — specifies the bevel shape
•Width — specifies the width of the beveled edge in pixels
•Smoothness — controls the slope (sharpness) and the thickness of the edge. As this value increases, the edges become more rounded. As it decreases, the edges appear thinner and steeper.
•Depth — controls the height of the edge. As this value increases, the edge becomes more pronounced.
•Ambiance — adjusts the overall brightness of the image
•Shininess — determines how reflective the surface appears. A higher value produces a glossy image and makes the highlights more evident. A lower value makes the highlights diminish.
•Color — determines the color of the light shining on the image. To change the light color, you can click a color in the image, click the color box to access the Color dialog box, or right-click the color box to access the Recent Colors dialog box.
•Angle — affects which edges appear light and shadow. The needle points to the direction of the light source, measured in degrees of rotation around the circle. To set the value, you can click in the circle, drag the needle, or set or type a number in the control.
•Intensity — adjusts the brightness of the directional light. Note that the Ambience value determines the brightness of the entire image before the Intensity value is applied.
•Elevation — shows the angle of elevation of the light source above the image. At a setting of 90 degrees, the light source is positioned directly overhead. As you lower the value, the light source moves closer to the image, producing longer shadows.