Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Retro Circles Background 7 No Black
Source GDJ
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin