Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav