This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
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 web background with texture of aged grid paper.
Source V. Hartikainen
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
This one is amazing, truly original. Go use it!
Source Viahorizon
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The classic notebook paper with horizontal stripes.
Source Are Sundnes
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background
Source GDJ
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo