Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
Light and tiny, just the way you like it.
Source Rohit Arun Rao
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
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
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks