A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics