A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This one has rusty dark brown texture.
Source V. Hartikainen
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Prismatic Groovy Concentric Background 2
Source GDJ
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers