A comeback for you: the popular Escheresque, now in black.
Source Patten
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
It looks very nice I think.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
An alternative colour scheme to the original seamless pattern.
Source Firkin
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
The tile this is based on 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
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall