From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Fix and cc0 to get the tile this is based on.
Source SliverKnight
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin