Pattern formed from simple shapes. Black version.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
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
A black tile-able background with paper-like texture.
Source V. Hartikainen
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin