A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Prismatic Triangular Background Design Mark II 5
Source GDJ
Prismatic Hexagonalism Pattern No Background
Source GDJ
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin