This was formed by distorting an image of a background on Pixabay.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Kaleidoscope Prismatic Abstract No Background
Source GDJ
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
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