Honestly, who does not like a little pipe and mustache?
Source Luca Errico
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
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
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Prismatic Abstract Geometric Background 3
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
A bit strange this one, but nice at the same time.
Source Diogo Silva
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Prismatic Snowflakes Pattern No Background
Source GDJ
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin