A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
A background pattern with a look of rough fabric.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Tiny circle waves, almost like the ocean.
Source Sagive
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
A white version of the very popular linen pattern.
Source Ant Ekşiler
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
A free background pattern with abstract green tiles.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2
Source GDJ
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio