Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
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
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn