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 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
Prismatic Abstract Background Design No Black
Source GDJ
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen