The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Prismatic Abstract Background Design No Black
Source GDJ
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Looks like an old wall. I guess that’s it then?
Source Viahorizon
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ