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
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso