A heavy hitter at 400x400px, but lovely still.
Source Breezi
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Alternative colour scheme for the original floral pattern.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Colourful background achieved with gradient fills.
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ