The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
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
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Embossed lines and squares with subtle highlights.
Source Alex Parker
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda