From an image on opengameart.org shared by rubberduck.
Source Firkin
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Black And White Floral Pattern Background from PDP.
Source GDJ
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
A nice and simple white rotated tile pattern.
Source Another One
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Prismatic Abstract Background Design
Source GDJ
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Abstract Tiled Background Extended 8
Source GDJ
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin