Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
A comeback for you: the popular Escheresque, now in black.
Source Patten
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen