A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Prismatic Groovy Concentric Background No Black
Source GDJ
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
This one needs to be used in small areas; you can see it repeat.
Source Luca
Prismatic Abstract Background Design
Source GDJ
A seamless background texture of old cardboard.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin