Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
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
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen