Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Neat little photography icon pattern.
Source Hossam Elbialy
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
A heavy hitter at 400x400px, but lovely still.
Source Breezi
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A seamless background of warped stripes on paper.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon