A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This is sort of fresh, but still feels a bit old school.
Source Martuchox
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Turn your site into a dragon with this great scale pattern.
Source Alex Parker