A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
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
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Subtle scratches on a light gray background.
Source Andrey Ovcharov
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Just a nice looking textured pattern with faded blue stripes. Well, that's it for today... one background a day, as usual.
Source V. Hartikainen
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso