Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A comeback for you: the popular Escheresque, now in black.
Source Patten
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Prismatic Floral Background No Black
Source GDJ
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen
Prismatic Abstract Geometric Background 5
Source GDJ
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
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 re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel