Prismatic Chevrons Pattern 5 With Background
Source GDJ
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
White handmade paper pattern with small bumps.
Source Marquis
A free background pattern with abstract green tiles.
Source V. Hartikainen
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
A repeating background of beige paper with vintage look. Repeats to infinity, as usual.
Source V. Hartikainen
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin