To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
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 heavy hitter at 400x400px, but lovely still.
Source Breezi
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin