From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
Prismatic Geometric Pattern Background 2
Source GDJ
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Abstract Tiled Background Extended 10
Source GDJ
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Retro Circles Background 4 No Black
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin