From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The base gradient edited so now more details are rendered.
Source Lazur URH
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
The original enhanced with some gradients.
Source Firkin
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin