This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
A free seamless background with pink spots.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Black brick wall pattern. Brick your site up!
Source Alex Parker
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin