White circles connecting on a light gray background.
Source Mark Collins
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
An alternative colour scheme to the original seamless pattern.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso