Polar Clock Screensaver
Version 3 is now available here
View Polar Clock Download Screensaver for Mac OS X only.
I’ve just put this together as a bit of a test of some drawing API extensions I wrote a while ago. All the shapes are drawn with code, corner rounding curves are achieved using the ‘capStyle’ argument when setting the lineStyle, easy as that! The colour of each ring is based on an HSL colourwheel.