The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
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
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Prismatic Geometric Pattern Background No Black
Source GDJ
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Fix and cc0 to get the tile this is based on.
Source SliverKnight
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida