A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
More in the paper realm, this time with fibers.
Source Jorge Fuentes
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
A free pink background pattern.
Source V. Hartikainen
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin