This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Prismatic Groovy Concentric Background
Source GDJ
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
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
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
This was formed by distorting an image of a background on Pixabay.
Source Firkin