After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
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
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Alternative colour scheme to the original.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Classic 45-degree pattern, light version.
Source Luke McDonald