Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
You may use it as is, or modify it as you like.
Source V. Hartikainen
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim