Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
It looks very nice I think.
Source V. Hartikainen
Embossed lines and squares with subtle highlights.
Source Alex Parker
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
A seamless texture of a rough concrete surface.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin