A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
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
Abstract Tiled Background Extended 8
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Neat little photography icon pattern.
Source Hossam Elbialy
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen