Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
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
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A nice and simple white rotated tile pattern.
Source Another One
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
An alternative colour scheme for the original background.
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