The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Old China with a modern twist, take two.
Source Adam Charlts
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo