Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
A new take on the black linen pattern. Softer this time.
Source Atle Mo
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin