Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Prismatic Floral Background No Black
Source GDJ
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A free pink background pattern.
Source V. Hartikainen