Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Hexagonalist Pattern No Background
Source GDJ
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin