There are many carbon patterns, but this one is tiny.
Source Designova
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
The name is totally random, but hey, it sounds good.
Source Atle Mo
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A comeback for you: the popular Escheresque, now in black.
Source Patten
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Colourful background achieved with gradient fills.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Abstract Tiled Background Extended 8
Source GDJ