Prismatic Groovy Concentric Background 2
Source GDJ
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Gold Triangular Seamless Pattern No Background
Source GDJ
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Embossed lines and squares with subtle highlights.
Source Alex Parker
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Geometric Pattern Background 2
Source GDJ
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin