Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
A free pink background pattern.
Source V. Hartikainen
Prismatic Geometric Pattern Background 2
Source GDJ
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
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
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Zero CC tileable hard cover cells, skin like, book texture. 4K, Scanned and made by me CC0
Source Sojan Janso
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
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