I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Psychedelic Geometric Background No Black
Source GDJ
Alternative colour scheme. 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
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Prismatic Abstract Background Design
Source GDJ
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Colour version of the original seamless pattern.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin