A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Prismatic Abstract Line Art Pattern Background
Source GDJ
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
You know you love wood patterns, so here’s one more.
Source Richard Tabor
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady