From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Colour version of the original seamless pattern.
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin