To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
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
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen