A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
From a drawing in 'A Rolling Stone. A tale of wrongs and revenge', John Hartley, 1878.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso