Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
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 seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Geometric triangles seem to be quite hot these days.
Source Pixeden
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
A version without colours blended together to give a different look.
Source Firkin
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Retro Circles Background 5 No Black
Source GDJ
Classic 45-degree pattern, light version.
Source Luke McDonald
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media