Default euclid Slic3r settings.
When Slic3r application starts it will automatically search for default settings found in a directory specific to the Operating System. Place the folder contents in this repository inside the corresponding folders found on your computer:
Windows: C:\Users<your_username>\AppData\Roaming\Slic3r
OSX: ~/Library/Application Support/Slic3r
Linux: ~/.Slic3r