The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
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
An alternative colour scheme to the original seamless pattern.
Source Firkin
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A free pink background pattern.
Source V. Hartikainen
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett