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
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5
Source GDJ
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Remixed from a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen