Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Dark blue concrete wall with some small dust spots.
Source Atle Mo
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
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
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin