From an image on opengameart.org shared by rubberduck.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Element of beach pattern with background.
Source Rones
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim