From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
An alternative colour scheme to the original seamless pattern.
Source Firkin
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
Different from the original in being a simple tile stored as a pattern definition, rather than numerous repeated objects. Hence easy and quick to give this pattern to objects of different shapes. To get the tile in Inkscape, select the rectangle and use shift+alt+i.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
Lovely pattern with splattered vintage speckles.
Source David Pomfret
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Prismatic Chevrons Pattern 5 With Background
Source GDJ
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen