This plasmoid let you put some blank space between the other applets located in a panel. You can set a minimum fixed size and/or allow the spacer to stretch if there is free space on the right. Reproducible: Always
Created attachment 178637 [details] The ebuild
Created attachment 178638 [details, diff] the patch to make the build compatible with KDE 4.2
There is a panel spacer included in KDE 4.3... This should be obsolete. See the discussion in kde-apps.org page for this.