From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Colour version of the original seamless pattern.
Source Firkin
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
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
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
The classic notebook paper with horizontal stripes.
Source Are Sundnes
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Just like the black maze, only in light gray. Duh.
Source Peax
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
Prismatic Geometric Pattern Background
Source GDJ
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ