From an image on opengameart.org shared by rubberduck.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Background formed from the original with an emboss effect
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Black And White Floral Pattern Background Inverse
Source GDJ
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper