Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.
Source V. Hartikainen
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Used a cherry by doctormo to make this seamless pattern
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin