Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Prismatic Geometric Pattern Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
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
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Pattern formed from simple shapes. Black version.
Source Firkin
A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin