From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
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
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
A comeback for you: the popular Escheresque, now in black.
Source Patten
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso