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
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
Retro Circles Background 4 No Black
Source GDJ
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Prismatic Abstract Geometric Background 4
Source GDJ
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The base gradient edited so now more details are rendered.
Source Lazur URH