Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
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