Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Prismatic Hexagonalism Pattern No Background
Source GDJ
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Used a cherry by doctormo to make this seamless pattern
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin