The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin