Fix and cc0 to get the tile this is based on.
Source SliverKnight
The original enhanced with some gradients.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Abstract Ellipses Background Grayscale
Source GDJ
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin