CC0 and seamless wellington boot pattern.
Source SliverKnight
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Sort of reminds me of those old house wallpapers.
Source Tish
This is a remix of "geometrical pattern 01".
Source Yamachem
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Abstract Tiled Background Extended 8
Source GDJ
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Abstract Tiled Background Extended 11
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin