Protocons is a clean and consistent collection of icons, buttons, glyphs and other graphic elements for building Drupal user interfaces.
This is not an actual module (yet?). It's a library of icons in 16, 24, 32 and 48px sizes.
Aim is to define the standard visual metaphors for Drupal concepts and actions.
The source SVG files contain multiple icons. This will probably change but works well for now.
Made with Inkscape 0.46:
File naming and directory structure loosely based on the free desktop icon naming spec: