Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Abstract Tiled Background Extended 8
Source GDJ
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
If you want png files of thisu can download them here :
Source Viscious-Speed
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
Abstract Tiled Background Extended 11
Source GDJ
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek