Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A comeback for you: the popular Escheresque, now in black.
Source Patten
The square tile this is based on can be had by selecting the rectangle in Inkscape 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
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin