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
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
There are many carbon patterns, but this one is tiny.
Source Designova
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin