This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
Black And White Floral Pattern Background from PDP.
Source GDJ
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Fix and cc0 to get the tile this is based on.
Source SliverKnight
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
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett