White circles connecting on a light gray background.
Source Mark Collins
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A comeback for you: the popular Escheresque, now in black.
Source Patten
It looks very nice I think.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
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
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker