Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Pattern formed from simple shapes. Black version.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
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
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen