From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
The original enhanced with one of Inkscapes's filters.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
"Beige Stone", Tileable Texture.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A comeback for you: the popular Escheresque, now in black.
Source Patten
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Original seamless pattern with an Inkscape filter.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen