If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A black tile-able background with paper-like texture.
Source V. Hartikainen
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker