Sometimes you just need the simplest thing.
Source Fabricio
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Prismatic Groovy Concentric Background 4
Source GDJ
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Prismatic Groovy Concentric Background No Black
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
A white version of the very popular linen pattern.
Source Ant Ekşiler
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A browner version of the original weathered fence texture.
Source Firkin