You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
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
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A comeback for you: the popular Escheresque, now in black.
Source Patten
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova