Looks like an old wall. I guess that’s it then?
Source Viahorizon
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
There are many carbon patterns, but this one is tiny.
Source Designova
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Plywood Web Background background image for use in web design.
Source V. Hartikainen
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 2
Source GDJ
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Colourful background achieved with gradient fills.
Source Firkin
A background pattern with a look of rough fabric.
Source V. Hartikainen
Abstract Tiled Background Extended 10
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin