You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
This one is amazing, truly original. Go use it!
Source Viahorizon
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
From a drawing in 'Hundert Jahre in Wort und Bild', S. Stefan, 1899.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A bit strange this one, but nice at the same time.
Source Diogo Silva
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo