Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A comeback for you: the popular Escheresque, now in black.
Source Patten
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
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
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle