I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
White little knobs, coming in at 10x10px. Sweet!
Source Amos
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin