The original enhanced with one of Inkscapes's filters.
Source Firkin
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
Sharp pixel pattern, just like the good old days.
Source Paridhi
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Prismatic Snowflakes Pattern No Background
Source GDJ
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
This one has rusty dark brown texture.
Source V. Hartikainen
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Embossed lines and squares with subtle highlights.
Source Alex Parker
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso