From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen