Select "Diffuse Shading" from the "Surface" menu at the bottom of the window. Click "OK." Depending on the speed of your computer, you may need to a few seconds for the 3D effect to be applied to ...

Hi, I'm Carrie Anne, and welcome to CrashCourse Computer Science! Over the past five episodes, we've worked up from text-based teletype interfaces to pixelated bitmapped graphics.