The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Number five from the same submitter, makes my job easy.
Source Dima Shiper
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Prismatic Abstract Geometric Background 4
Source GDJ
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok