Screensaver with QuartzComposer

Quartz Composer is a wonderful tool to program some animations with Core Graphics. I made a simple example, showing a rotating sphere, on which I mapped an Earth background, and displaying an RSS feed on top.

You can download this example and install it as a screen saver.

Note: you don’t need to have Quartz Composer installed to play this screen saver:

1- download it from

2- save it in your library, in the ‘Screen Savers’ section

3- Launch the screen saver panel (System Preferences/Desktop & Screen Saver), you should be able to select the screen saver under the tab ‘others’. You can then configure it, and also change the RSS feeds (I set it to



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