It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous