Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Embossed lines and squares with subtle highlights.
Source Alex Parker
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem