A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
A seamless web texture of "green stone".
Source V. Hartikainen
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin