From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
Prismatic Abstract Geometric Background 2
Source GDJ
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo