Green Web Background, Seamless tile.
Source V. Hartikainen
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamlessly tileable pink background texture.
Source V. Hartikainen
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
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin