It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
The base gradient edited so now more details are rendered.
Source Lazur URH
Prismatic Polka Dots Mark II No Background
Source GDJ
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Prismatic Chevrons Pattern 5 With Background
Source GDJ
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin