You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
A browner version of the original weathered fence texture.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Classic vertical lines, in all its subtlety.
Source Cody L
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
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
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer