You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Groovy Concentric Background 4
Source GDJ
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
A bit strange this one, but nice at the same time.
Source Diogo Silva
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin