From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
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
Prismatic Abstract Background Design No Black
Source GDJ
You know you love wood patterns, so here’s one more.
Source Richard Tabor
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
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
Prismatic Triangular Background Design Mark II 5
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A heavy hitter at 400x400px, but lovely still.
Source Breezi
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Black And White Floral Pattern Background Inverse
Source GDJ
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
This one is amazing, truly original. Go use it!
Source Viahorizon
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Fix side and a seamless pattern formed from circles.
Source SliverKnight