This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne