A black tile-able background with paper-like texture.
Source V. Hartikainen
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A version without colours blended together to give a different look.
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Might not be super subtle, but quite original in its form.
Source Alex Smith
A white version of the very popular linen pattern.
Source Ant Ekşiler