Almost like little fish shells, or dragon skin.
Source Graphiste
This could be a hippy vintage wallpaper.
Source Tileable Patterns
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had 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
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
One can never have too few rice paper patterns, so here is one more.
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
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Classic vertical lines, in all its subtlety.
Source Cody L
Prismatic Polyskelion Pattern No Background
Source GDJ