Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
The original enhanced with some gradients.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Prismatic Groovy Concentric Background 4
Source GDJ
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Might not be super subtle, but quite original in its form.
Source Alex Smith
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau