An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Prismatic Floral Background No Black
Source GDJ
Dark blue concrete wall with some small dust spots.
Source Atle Mo
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
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
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
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Green Background Pattern
Source V. Hartikainen
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon