A god sent tool for convenient double sided printing.
Created attachment 307861 [details]
Created attachment 307863 [details, diff]
Created attachment 307979 [details]
added gnome useflag (which enables/disables installation of the optional applet that can be added to gnome-panel)
Created attachment 307981 [details]
added to sunrise-overlay, available after git-review:
The ebuild in sunrise was outdated and unmaintained, so it got removed.