Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
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
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Just like the black maze, only in light gray. Duh.
Source Peax
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba