Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
This one has rusty dark brown texture.
Source V. Hartikainen
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin