The base gradient edited so now more details are rendered.
Source Lazur URH
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Kaleidoscope Prismatic Abstract No Background
Source GDJ
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
It’s big, it’s gradient—and it’s square.
Source Brankic1979
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau