A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
One more sharp little tile for you. Subtle circles this time.
Source Blunia
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Prismatic Abstract Geometric Background 3
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective