A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Prismatic Hypnotic Pattern No Background
Source GDJ
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Oh yes, it happened! A pattern in full color.
Source Atle Mo
A bit of scratched up grayness. Always good.
Source Dmitry
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
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
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin