The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen