A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A white version of the very popular linen pattern.
Source Ant Ekşiler
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
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
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem