Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
This could be a hippy vintage wallpaper.
Source Tileable Patterns
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless paper background colored in pale yellow.
Source V. Hartikainen
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin