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
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
A heavy hitter at 400x400px, but lovely still.
Source Breezi
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Geometric triangles seem to be quite hot these days.
Source Pixeden
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Seamless Light Background Texture.
Source V. Hartikainen
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson