Colour version of the original seamless pattern.
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
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen