From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra