CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Prismatic Polyskelion Pattern No Background
Source GDJ
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon