3D Binary Clock Screensaver is a free desktop utilities software with
many configurable options and colors, you can also use it as a 3D rotating
screensaver. Binary Clock is a clock where you read the 6 digits of current
time as 6 columns, each consisting of some lit and unlit LEDs. 3D Binary
Clock Screensaver supports a simple preview mode that lets you manually
control the rotation speed, camera distance and color theme including blue,
red, gold and silver.