A nice and simple white rotated tile pattern.
Source Another One
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Element of beach pattern with background.
Source Rones
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
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 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin