To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
This one has rusty dark brown texture.
Source V. Hartikainen
Green Web Background, Seamless tile.
Source V. Hartikainen
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen