A version without colours blended together to give a different look.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
A new one called white wall, not by me this time.
Source Yuji Honzawa
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
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
A free pink background pattern.
Source V. Hartikainen
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight