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
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Black And White Floral Pattern Background Inverse
Source GDJ
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Abstract Geometric Background 3
Source GDJ
A white version of the very popular linen pattern.
Source Ant Ekşiler
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin