2Download the file called Diffuse_and_Ambient.zip (16mb) and extract it to your hard drive.  Then double-click on the HTML file to play the video back in your browser. 


Many materials; plastics, metal, fabric, or glass for example, have no distinct color patterns associated with them allowing the color to be set by the Ambient and Diffuse color swatches.  Diffuse color is the color of a material in direct light and Ambient color is the color in shaded areas.