From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Prismatic Chevrons Pattern 5 With Background
Source GDJ
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Might not be super subtle, but quite original in its form.
Source Alex Smith
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A background pattern with a look of rough fabric.
Source V. Hartikainen
This one is amazing, truly original. Go use it!
Source Viahorizon
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek