Prismatic Abstract Line Art Pattern Background
Source GDJ
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Sharp pixel pattern, just like the good old days.
Source Paridhi
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić