Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Pattern formed from simple shapes. Black version.
Source Firkin
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
It looks very nice I think.
Source V. Hartikainen
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base 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
CC0 and seamless wellington boot pattern.
Source SliverKnight
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin