Based on an image that was uploaded to Pixabay by devanath
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
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
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Just like the black maze, only in light gray. Duh.
Source Peax
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo