The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
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
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
CC0 and seamless wellington boot pattern.
Source SliverKnight
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
Green Background Pattern
Source V. Hartikainen
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male