Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
Abstract Tiled Background Extended 8
Source GDJ
Prismatic Snowflakes Pattern No Background
Source GDJ
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Triangular Background Design Mark II 5
Source GDJ
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
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 square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen