Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
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
Prismatic Groovy Concentric Background 2
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Prismatic Abstract Geometric Background 4
Source GDJ
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Background formed from the original with an emboss effect
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
One more sharp little tile for you. Subtle circles this time.
Source Blunia