A heavy hitter at 400x400px, but lovely still.
Source Breezi
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen