Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
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
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
A free background pattern with abstract green tiles.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Original seamless pattern with an Inkscape filter.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado