Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
CC0 and seamless wellington boot pattern.
Source SliverKnight
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Prismatic Snowflakes Pattern No Background
Source GDJ
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Plywood Web Background background image for use in web design.
Source V. Hartikainen
White circles connecting on a light gray background.
Source Mark Collins
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Black And White Floral Pattern Background from PDP.
Source GDJ
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin