A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
Prismatic Abstract Geometric Background 5
Source GDJ
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
You know you love wood patterns, so here’s one more.
Source Richard Tabor
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica