The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Polyskelion Pattern No Background
Source GDJ
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
A seamlessly tileable pink background texture.
Source V. Hartikainen
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
You know you love wood patterns, so here’s one more.
Source Richard Tabor
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo