Dark blue concrete wall with some small dust spots.
Source Atle Mo
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten