Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A seamless background of warped stripes on paper.
Source V. Hartikainen
Colourful background achieved with gradient fills.
Source Firkin
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts