A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
Prismatic Curved Diamond Pattern No Background
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Dark blue concrete wall with some small dust spots.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers