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
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
The image is a seamless pattern of a fishnet.
Source Yamachem
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Abstract Ellipses Background Grayscale
Source GDJ
White handmade paper pattern with small bumps.
Source Marquis
U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin