Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
This was formed by distorting an image of a background on Pixabay.
Source Firkin
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin