This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A white version of the very popular linen pattern.
Source Ant Ekşiler
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin