Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
Abstract Tiled Background Extended 12
Source GDJ
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.