From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
An alternative colour scheme for the original background.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Prismatic Groovy Concentric Background No Black
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Colorful Floral Background 3 No Black
Source GDJ
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin