Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Retro Circles Background 8 No Black
Source GDJ
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin