A comeback for you: the popular Escheresque, now in black.
Source Patten
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Seamless Green Tile Background
Source V. Hartikainen
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Prismatic Hypnotic Pattern No Background
Source GDJ
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A comeback for you: the popular Escheresque, now in black.
Source Patten
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin