The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Classic 45-degree pattern, light version.
Source Luke McDonald
Almost like little fish shells, or dragon skin.
Source Graphiste
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Abstract Tiled Background Extended 12
Source GDJ
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Prismatic Floral Background No Black
Source GDJ
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
A background pattern with a look of rough fabric.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo