Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
This one has rusty dark brown texture.
Source V. Hartikainen
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
Source Firkin
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Dark blue concrete wall with some small dust spots.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin