Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
A background pattern with wavy green vertical stripes. This one has green stripes on a white background. Download if you like it.
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin