"cosmic tattoos" (Most of these don't really do it for me, but I love this one, and the animal outlines.)
Black Midnight Kitty | Tatspiration.com - Your home for discovering tattoo ideas and tattoo inspiration.
Black Line Tattoos | The 13 Kinds Of Tattoos We All Wanted In 2013
Mountain Band - would be awesome as an ocean-scape, or coastline.
Mafis Fischerová Tattoo | Brno / Prague, Czech Republic
geometric rose tattoo - Google Search