It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Sharp but soft triangles in light shades of gray.
Source Pixeden
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
Prismatic Abstract Background Design
Source GDJ
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin