The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 4
Source GDJ
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
From an image on opengameart.org shared by rubberduck.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Might not be super subtle, but quite original in its form.
Source Alex Smith
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso