From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
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
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss