The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica