Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
White circles connecting on a light gray background.
Source Mark Collins
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
Plywood Web Background background image for use in web design.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon