This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Black And White Floral Pattern Background from PDP.
Source GDJ
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin