Floral patterns will never go out of style, so enjoy this one.
Source Lasma
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Embossed lines and squares with subtle highlights.
Source Alex Parker
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
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
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From an image on opengameart.org shared by rubberduck.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Black And White Floral Pattern Background from PDP.
Source GDJ
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Black brick wall pattern. Brick your site up!
Source Alex Parker
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin