The image is a seamless pattern of a fishnet.
Source Yamachem
Prismatic Polka Dots 3 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo