From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Seamless Olive Green Web Background Image
Source V. Hartikainen
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The original enhanced with one of Inkscapes's filters.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin