This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Original seamless pattern with an Inkscape filter.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
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
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin