It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Prismatic Abstract Geometric Background 3
Source GDJ
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
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
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight