Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
A white version of the very popular linen pattern.
Source Ant Ekşiler
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić