The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
Sharp pixel pattern, just like the good old days.
Source Paridhi
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
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 repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Pattern formed from simple shapes. Black version.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson