People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Chevrons Pattern 5 With Background
Source GDJ
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
White circles connecting on a light gray background.
Source Mark Collins
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
Alternative colour scheme for the original floral pattern.
Source Firkin