A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
The original enhanced with some gradients.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
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
A comeback for you: the popular Escheresque, now in black.
Source Patten
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
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
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Prismatic Polka Dots Mark II 2 No Background
Source GDJ