A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald
A seamless web texture of "green stone".
Source V. Hartikainen
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin