An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Groovy Concentric Background 4
Source GDJ
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin