From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Light and tiny, just the way you like it.
Source Rohit Arun Rao
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler