The image depicts a seamless pattern of a snow crystal.I referred to a book called ”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保3年) or Edo period.For more about "雪華図説",see here:dl.ndl.go.jp/info:ndljp/pid/2536975
Source Yamachem
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Sort of reminds me of those old house wallpapers.
Source Tish
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
This is sort of fresh, but still feels a bit old school.
Source Martuchox
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Prismatic Groovy Concentric Background
Source GDJ
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Lovely pattern with splattered vintage speckles.
Source David Pomfret