Continuing the geometric trend, here is one more.
Source Mike Warner
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Sort of reminds me of those old house wallpapers.
Source Tish
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
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
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin