Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
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
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Prismatic Groovy Concentric Background 4
Source GDJ
Prismatic Hexagonalist Pattern No Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward