As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
You know you love wood patterns, so here’s one more.
Source Richard Tabor
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
A pale olive green background with a seamless texture.
Source V. Hartikainen
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
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
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo