Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
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 seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Mostly just mucked about with the colours and made one of the paths in the lead frame opaque. The glass remains transparent.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
Prismatic Polka Dots Mark II No Background
Source GDJ
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay