From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A new one called white wall, not by me this time.
Source Yuji Honzawa
A version without colours blended together to give a different look.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
It’s big, it’s gradient—and it’s square.
Source Brankic1979
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Classic vertical lines, in all its subtlety.
Source Cody L
Continuing the geometric trend, here is one more.
Source Mike Warner
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen