The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
An alternative colour scheme for the original background.
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Prismatic Curved Diamond Pattern No Background
Source GDJ
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Looks like an old rug or a computer chip.
Source Patutin Sergey