The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A pale olive green background with a seamless texture.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo