You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Light and tiny, just the way you like it.
Source Rohit Arun Rao
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
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
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
The image is a design of blue glass.How about using it as background image?
Source Yamachem
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
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
No relation to the band, but damn it’s subtle!
Source Thomas Myrman