From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
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
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
If you want png files of thisu can download them here :
Source Viscious-Speed
Prismatic Snowflakes Pattern No Background
Source GDJ
Colorful Floral Background No Black
Source GDJ
This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Hexagonalism Pattern No Background
Source GDJ
This is a remix of "geometrical pattern 01".
Source Yamachem