If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
White circles connecting on a light gray background.
Source Mark Collins
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Black brick wall pattern. Brick your site up!
Source Alex Parker
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
Prismatic Triangular Background Design Mark II 5
Source GDJ
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
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
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
From an image on opengameart.org shared by rubberduck.
Source Firkin