Number five from the same submitter, makes my job easy.
Source Dima Shiper
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Neat little photography icon pattern.
Source Hossam Elbialy
Sharp pixel pattern, just like the good old days.
Source Paridhi
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Looks like an old rug or a computer chip.
Source Patutin Sergey
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
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
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle