This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Prismatic Groovy Concentric Background
Source GDJ
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Floral patterns will never go out of style, so enjoy this one.
Source Lasma