Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A comeback for you: the popular Escheresque, now in black.
Source Patten
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
A version without colours blended together to give a different look.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ