The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Prismatic Geometric Pattern Background No Black
Source GDJ
Black And White Floral Pattern Background from PDP.
Source GDJ
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
A black tile-able background with paper-like texture.
Source V. Hartikainen
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin