It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Colour version of the original pattern.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
You may use it as is, or modify it as you like.
Source V. Hartikainen
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin