Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A bit of scratched up grayness. Always good.
Source Dmitry
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Just like the black maze, only in light gray. Duh.
Source Peax
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin