By popular request, an outline version of the pentagon pattern.
Source Atle Mo
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
The image is a design of blue glass.How about using it as background image?
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Prismatic Abstract Background Design
Source GDJ
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Prismatic Triangular Background Design Mark II 5
Source GDJ
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Prismatic Floral Background No Black
Source GDJ
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin