Using the Light panel you can place multiple light sources of specified colors and strengths.
The Surface panel allows you to give the 3d object an surface. You can use static colors
(double click window), or different textures. You will get a preview of the
textures simply by downscrolling the texture or chrome dialogs.
The Shape panel controls the font depth. You will get a preview in realtime.
The Options panel allows you modify the background color and the color of the wireframe.