Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Almost like little fish shells, or dragon skin.
Source Graphiste
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A pale olive green background with a seamless texture.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev