From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Alternative colour scheme for the original floral pattern.
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Prismatic Geometric Pattern Background 2
Source GDJ
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
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
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Black And White Floral Pattern Background from PDP.
Source GDJ