Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Prismatic Groovy Concentric Background 5
Source GDJ
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Prismatic Abstract Geometric Background 5
Source GDJ
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin