A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
There are many carbon patterns, but this one is tiny.
Source Designova
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
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
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
An abstract Background pattern of purple twisty patterns.
Source TikiGiki