Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Sharp pixel pattern, just like the good old days.
Source Paridhi
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
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
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab