From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Almost like little fish shells, or dragon skin.
Source Graphiste
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Retro Circles Background 7 No Black
Source GDJ
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Prismatic Polyskelion Pattern No Background
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This is sort of fresh, but still feels a bit old school.
Source Martuchox
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Prismatic Groovy Concentric Background 2
Source GDJ
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
Tiny circle waves, almost like the ocean.
Source Sagive
Prismatic Chevrons Pattern 5 With Background
Source GDJ