An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Prismatic Groovy Concentric Background 2
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
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
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Looks like an old rug or a computer chip.
Source Patutin Sergey
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Embossed lines and squares with subtle highlights.
Source Alex Parker
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić