Themes
The two themes I’ve tried out so far are:
Would also love to add Papirus to the list of tested themes, but as of now it does not render for some reason.
Installation
To install either theme make sure you have the folder ~/.config/inkscape/icons created and unzip the file icons.svg to this directory.
If you are trying out different icon themes create a backup of the previous and just copy the new icons.svg file to icons directory:
mv ~/.config/inkscape/icons/icons.svg ~/.config/inkscape/icons/icons.svg.bakcp ~/Downloads/inkscape/icons.svg ~/.config/inkscape/icons/
In the above case I just unzipped icons.svg to ~/Download/inkscape , in case you are wondering why they are in that directory.
More Inkscape
Perhaps if there is enough interest the Inkscape authors will kick something off:
