Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Classic vertical lines, in all its subtlety.
Source Cody L
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo