A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
An alternative colour scheme to the original seamless pattern.
Source Firkin
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Colour version of the original pattern.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Prismatic Groovy Concentric Background 2
Source GDJ
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin