A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Abstract Tiled Background Extended 8
Source GDJ
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Colour version of the original pattern.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen