This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
This was formed by distorting an image of a background on Pixabay.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.
Source Firkin
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
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
Prismatic Polka Dots 3 No Background
Source GDJ
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Element of beach pattern with background.
Source Rones
A comeback for you: the popular Escheresque, now in black.
Source Patten
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use 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
Different from the original in being a simple tile stored as a pattern definition, rather than numerous repeated objects. Hence easy and quick to give this pattern to objects of different shapes. To get the tile in Inkscape, select the rectangle and use shift+alt+i.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Abstract Tiled Background Extended 10
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen