The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Prismatic Chevrons Pattern 5 With Background
Source GDJ
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen