From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
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
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A version without colours blended together to give a different look.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A white version of the very popular linen pattern.
Source Ant Ekşiler
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin