Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
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
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen