A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Retro Circles Background 7 No Black
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Prismatic Abstract Geometric Background 3
Source GDJ
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
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
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin