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
Alternative colour scheme to the original.
Source Firkin
Prismatic Curved Diamond Pattern No Background
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Seamless Green Tile Background
Source V. Hartikainen
Prismatic Abstract Background Design No Black
Source GDJ
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Prismatic Geometric Pattern Background 2
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Looks like an old rug or a computer chip.
Source Patutin Sergey
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
This one has rusty dark brown texture.
Source V. Hartikainen
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated