It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Old China with a modern twist, take two.
Source Adam Charlts
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Retro Circles Background 5 No Black
Source GDJ
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
Prismatic Geometric Pattern Background
Source GDJ
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Alternative colour scheme for the original floral pattern.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen