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 nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Continuing the geometric trend, here is one more.
Source Mike Warner
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett