A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Seamless Olive Green Web Background Image
Source V. Hartikainen
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Sometimes you just need the simplest thing.
Source Fabricio
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Colorful Floral Background 3 No Black
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ