Faba Extra Icons
Faba Icon Theme (the icon assets and sources) are licensed under a GNU Lesser General Public License 3.0 license.
Any bundled software is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.
Downloading the original Icon Theme
The original source for Faba Icon Theme can be found here. You can clone the latest version from the git repository:
git clone https://github.com/snwh/faba-icon-theme.git
Simple, you just run the script from the root of the source folder: