Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Prismatic Hypnotic Pattern No Background
Source GDJ
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
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
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Black brick wall pattern. Brick your site up!
Source Alex Parker