This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Prismatic Abstract Background Design
Source GDJ
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin