A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Prismatic Snowflakes Pattern No Background
Source GDJ
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
The original enhanced with one of Inkscapes's filters.
Source Firkin
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin