A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
A black tile-able background with paper-like texture.
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars