A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
Prismatic Hexagonalism Pattern No Background
Source GDJ
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Sometimes you just need the simplest thing.
Source Fabricio
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
A white version of the very popular linen pattern.
Source Ant Ekşiler
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin