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 car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Background formed from the original with an emboss effect
Source GDJ
A bit of scratched up grayness. Always good.
Source Dmitry
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A floral background formed from numerous clones of flower 117.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Colorful Floral Background No Black
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
A seamless paper background colored in pale yellow.
Source V. Hartikainen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
A new take on the black linen pattern. Softer this time.
Source Atle Mo