An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso