A seamless background texture of old cardboard.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
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
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo